Home / 82,645.17-123,965.45-55,565.54

Finding the Fourth Proportional to 82,645.17, 123,965.45 and 55,565.54

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Solution

The fourth proportional to 82,645.17, 123,965.45 and 55,565.54 is: 83,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,645.17 : 123,965.45 = 55,565.54 : x
  2. Step 2: Convert to fraction form
    82,645.17/123,965.45 = 55,565.54/x
  3. Step 3: Cross multiply
    82,645.17x = 123,965.45 × 55,565.54
  4. Step 4: Simplify right side
    82,645.17x = 6,888,207,170.59
  5. Step 5: Solve for x
    x = 6,888,207,170.59/82,645.17
  6. Step 6: Final answer
    x = 83,346.76

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1.5x scale

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.