Home / 71,098.92-98,116.20-39,267.66

Finding the Fourth Proportional to 71,098.92, 98,116.20 and 39,267.66

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Solution

The fourth proportional to 71,098.92, 98,116.20 and 39,267.66 is: 54,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,098.92 : 98,116.20 = 39,267.66 : x
  2. Step 2: Convert to fraction form
    71,098.92/98,116.20 = 39,267.66/x
  3. Step 3: Cross multiply
    71,098.92x = 98,116.20 × 39,267.66
  4. Step 4: Simplify right side
    71,098.92x = 3,852,793,582.09
  5. Step 5: Solve for x
    x = 3,852,793,582.09/71,098.92
  6. Step 6: Final answer
    x = 54,189.20

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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.