Home / 71,078.97-98,089.61-39,250.29

Finding the Fourth Proportional to 71,078.97, 98,089.61 and 39,250.29

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Solution

The fourth proportional to 71,078.97, 98,089.61 and 39,250.29 is: 54,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078.97 : 98,089.61 = 39,250.29 : x
  2. Step 2: Convert to fraction form
    71,078.97/98,089.61 = 39,250.29/x
  3. Step 3: Cross multiply
    71,078.97x = 98,089.61 × 39,250.29
  4. Step 4: Simplify right side
    71,078.97x = 3,850,045,442.24
  5. Step 5: Solve for x
    x = 3,850,045,442.24/71,078.97
  6. Step 6: Final answer
    x = 54,165.75

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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.