Home / 56,781.52-85,084.66-35,961.28

Finding the Fourth Proportional to 56,781.52, 85,084.66 and 35,961.28

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Solution

The fourth proportional to 56,781.52, 85,084.66 and 35,961.28 is: 53,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.52 : 85,084.66 = 35,961.28 : x
  2. Step 2: Convert to fraction form
    56,781.52/85,084.66 = 35,961.28/x
  3. Step 3: Cross multiply
    56,781.52x = 85,084.66 × 35,961.28
  4. Step 4: Simplify right side
    56,781.52x = 3,059,753,281.96
  5. Step 5: Solve for x
    x = 3,059,753,281.96/56,781.52
  6. Step 6: Final answer
    x = 53,886.43

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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.