Home / 56,882.38-85,257.13-42,797.15

Finding the Fourth Proportional to 56,882.38, 85,257.13 and 42,797.15

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Solution

The fourth proportional to 56,882.38, 85,257.13 and 42,797.15 is: 64,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,882.38 : 85,257.13 = 42,797.15 : x
  2. Step 2: Convert to fraction form
    56,882.38/85,257.13 = 42,797.15/x
  3. Step 3: Cross multiply
    56,882.38x = 85,257.13 × 42,797.15
  4. Step 4: Simplify right side
    56,882.38x = 3,648,761,967.19
  5. Step 5: Solve for x
    x = 3,648,761,967.19/56,882.38
  6. Step 6: Final answer
    x = 64,145.74

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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.