Home / 71,016.96-98,006.58-40,812.06

Finding the Fourth Proportional to 71,016.96, 98,006.58 and 40,812.06

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Solution

The fourth proportional to 71,016.96, 98,006.58 and 40,812.06 is: 56,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016.96 : 98,006.58 = 40,812.06 : x
  2. Step 2: Convert to fraction form
    71,016.96/98,006.58 = 40,812.06/x
  3. Step 3: Cross multiply
    71,016.96x = 98,006.58 × 40,812.06
  4. Step 4: Simplify right side
    71,016.96x = 3,999,850,423.35
  5. Step 5: Solve for x
    x = 3,999,850,423.35/71,016.96
  6. Step 6: Final answer
    x = 56,322.47

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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.