Home / 83,715.60-115,526.92-50,181.52

Finding the Fourth Proportional to 83,715.60, 115,526.92 and 50,181.52

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Solution

The fourth proportional to 83,715.60, 115,526.92 and 50,181.52 is: 69,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.60 : 115,526.92 = 50,181.52 : x
  2. Step 2: Convert to fraction form
    83,715.60/115,526.92 = 50,181.52/x
  3. Step 3: Cross multiply
    83,715.60x = 115,526.92 × 50,181.52
  4. Step 4: Simplify right side
    83,715.60x = 5,797,316,446.52
  5. Step 5: Solve for x
    x = 5,797,316,446.52/83,715.60
  6. Step 6: Final answer
    x = 69,250.13

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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.