Home / 82,985.04-114,518.84-47,175.05

Finding the Fourth Proportional to 82,985.04, 114,518.84 and 47,175.05

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Solution

The fourth proportional to 82,985.04, 114,518.84 and 47,175.05 is: 65,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,985.04 : 114,518.84 = 47,175.05 : x
  2. Step 2: Convert to fraction form
    82,985.04/114,518.84 = 47,175.05/x
  3. Step 3: Cross multiply
    82,985.04x = 114,518.84 × 47,175.05
  4. Step 4: Simplify right side
    82,985.04x = 5,402,431,194.47
  5. Step 5: Solve for x
    x = 5,402,431,194.47/82,985.04
  6. Step 6: Final answer
    x = 65,101.27

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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.