Home / 71,084.08-98,092.38-39,255.76

Finding the Fourth Proportional to 71,084.08, 98,092.38 and 39,255.76

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Solution

The fourth proportional to 71,084.08, 98,092.38 and 39,255.76 is: 54,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.08 : 98,092.38 = 39,255.76 : x
  2. Step 2: Convert to fraction form
    71,084.08/98,092.38 = 39,255.76/x
  3. Step 3: Cross multiply
    71,084.08x = 98,092.38 × 39,255.76
  4. Step 4: Simplify right side
    71,084.08x = 3,850,690,927.11
  5. Step 5: Solve for x
    x = 3,850,690,927.11/71,084.08
  6. Step 6: Final answer
    x = 54,170.93

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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.