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Finding the Fourth Proportional to 71,500.97, 98,673.98 and 43,201.19

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Solution

The fourth proportional to 71,500.97, 98,673.98 and 43,201.19 is: 59,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,500.97 : 98,673.98 = 43,201.19 : x
  2. Step 2: Convert to fraction form
    71,500.97/98,673.98 = 43,201.19/x
  3. Step 3: Cross multiply
    71,500.97x = 98,673.98 × 43,201.19
  4. Step 4: Simplify right side
    71,500.97x = 4,262,833,358.04
  5. Step 5: Solve for x
    x = 4,262,833,358.04/71,500.97
  6. Step 6: Final answer
    x = 59,619.24

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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.