Home / 71,184.38-98,225.91-39,348.95

Finding the Fourth Proportional to 71,184.38, 98,225.91 and 39,348.95

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Solution

The fourth proportional to 71,184.38, 98,225.91 and 39,348.95 is: 54,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.38 : 98,225.91 = 39,348.95 : x
  2. Step 2: Convert to fraction form
    71,184.38/98,225.91 = 39,348.95/x
  3. Step 3: Cross multiply
    71,184.38x = 98,225.91 × 39,348.95
  4. Step 4: Simplify right side
    71,184.38x = 3,865,085,930.16
  5. Step 5: Solve for x
    x = 3,865,085,930.16/71,184.38
  6. Step 6: Final answer
    x = 54,296.83

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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.