Home / 56,884.38-85,260.12-42,799.15

Finding the Fourth Proportional to 56,884.38, 85,260.12 and 42,799.15

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Solution

The fourth proportional to 56,884.38, 85,260.12 and 42,799.15 is: 64,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.38 : 85,260.12 = 42,799.15 : x
  2. Step 2: Convert to fraction form
    56,884.38/85,260.12 = 42,799.15/x
  3. Step 3: Cross multiply
    56,884.38x = 85,260.12 × 42,799.15
  4. Step 4: Simplify right side
    56,884.38x = 3,649,060,664.90
  5. Step 5: Solve for x
    x = 3,649,060,664.90/56,884.38
  6. Step 6: Final answer
    x = 64,148.73

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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.