Home / 73,211.04-101,019.96-42,989.13

Finding the Fourth Proportional to 73,211.04, 101,019.96 and 42,989.13

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Solution

The fourth proportional to 73,211.04, 101,019.96 and 42,989.13 is: 59,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.04 : 101,019.96 = 42,989.13 : x
  2. Step 2: Convert to fraction form
    73,211.04/101,019.96 = 42,989.13/x
  3. Step 3: Cross multiply
    73,211.04x = 101,019.96 × 42,989.13
  4. Step 4: Simplify right side
    73,211.04x = 4,342,760,193.03
  5. Step 5: Solve for x
    x = 4,342,760,193.03/73,211.04
  6. Step 6: Final answer
    x = 59,318.38

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Half scale
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Double scale
Find fourth proportional to 73,212.04, 101,021.34 and 42,990.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.