Home / 71,006.20-97,991.48-39,177.12

Finding the Fourth Proportional to 71,006.20, 97,991.48 and 39,177.12

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Solution

The fourth proportional to 71,006.20, 97,991.48 and 39,177.12 is: 54,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,006.20 : 97,991.48 = 39,177.12 : x
  2. Step 2: Convert to fraction form
    71,006.20/97,991.48 = 39,177.12/x
  3. Step 3: Cross multiply
    71,006.20x = 97,991.48 × 39,177.12
  4. Step 4: Simplify right side
    71,006.20x = 3,839,023,970.94
  5. Step 5: Solve for x
    x = 3,839,023,970.94/71,006.20
  6. Step 6: Final answer
    x = 54,066.04

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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.