Home / 71,694.21-98,937.41-39,862.83

Finding the Fourth Proportional to 71,694.21, 98,937.41 and 39,862.83

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Solution

The fourth proportional to 71,694.21, 98,937.41 and 39,862.83 is: 55,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.21 : 98,937.41 = 39,862.83 : x
  2. Step 2: Convert to fraction form
    71,694.21/98,937.41 = 39,862.83/x
  3. Step 3: Cross multiply
    71,694.21x = 98,937.41 × 39,862.83
  4. Step 4: Simplify right side
    71,694.21x = 3,943,924,882.76
  5. Step 5: Solve for x
    x = 3,943,924,882.76/71,694.21
  6. Step 6: Final answer
    x = 55,010.37

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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.