Home / 71,680.38-107,522.06-26,086.52

Finding the Fourth Proportional to 71,680.38, 107,522.06 and 26,086.52

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Solution

The fourth proportional to 71,680.38, 107,522.06 and 26,086.52 is: 39,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,680.38 : 107,522.06 = 26,086.52 : x
  2. Step 2: Convert to fraction form
    71,680.38/107,522.06 = 26,086.52/x
  3. Step 3: Cross multiply
    71,680.38x = 107,522.06 × 26,086.52
  4. Step 4: Simplify right side
    71,680.38x = 2,804,876,368.63
  5. Step 5: Solve for x
    x = 2,804,876,368.63/71,680.38
  6. Step 6: Final answer
    x = 39,130.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.