Home / 71,526.09-98,704.12-39,694.17

Finding the Fourth Proportional to 71,526.09, 98,704.12 and 39,694.17

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Solution

The fourth proportional to 71,526.09, 98,704.12 and 39,694.17 is: 54,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.09 : 98,704.12 = 39,694.17 : x
  2. Step 2: Convert to fraction form
    71,526.09/98,704.12 = 39,694.17/x
  3. Step 3: Cross multiply
    71,526.09x = 98,704.12 × 39,694.17
  4. Step 4: Simplify right side
    71,526.09x = 3,917,978,118.98
  5. Step 5: Solve for x
    x = 3,917,978,118.98/71,526.09
  6. Step 6: Final answer
    x = 54,776.91

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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.