Home / 82,565.61-123,844.77-57,531.75

Finding the Fourth Proportional to 82,565.61, 123,844.77 and 57,531.75

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Solution

The fourth proportional to 82,565.61, 123,844.77 and 57,531.75 is: 86,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,565.61 : 123,844.77 = 57,531.75 : x
  2. Step 2: Convert to fraction form
    82,565.61/123,844.77 = 57,531.75/x
  3. Step 3: Cross multiply
    82,565.61x = 123,844.77 × 57,531.75
  4. Step 4: Simplify right side
    82,565.61x = 7,125,006,346.45
  5. Step 5: Solve for x
    x = 7,125,006,346.45/82,565.61
  6. Step 6: Final answer
    x = 86,295.09

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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.