Home / 83,437.92-115,144.47-45,197.58

Finding the Fourth Proportional to 83,437.92, 115,144.47 and 45,197.58

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Solution

The fourth proportional to 83,437.92, 115,144.47 and 45,197.58 is: 62,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.92 : 115,144.47 = 45,197.58 : x
  2. Step 2: Convert to fraction form
    83,437.92/115,144.47 = 45,197.58/x
  3. Step 3: Cross multiply
    83,437.92x = 115,144.47 × 45,197.58
  4. Step 4: Simplify right side
    83,437.92x = 5,204,251,394.38
  5. Step 5: Solve for x
    x = 5,204,251,394.38/83,437.92
  6. Step 6: Final answer
    x = 62,372.74

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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.