Home / 87,566.74-120,845.06-51,787.42

Finding the Fourth Proportional to 87,566.74, 120,845.06 and 51,787.42

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Solution

The fourth proportional to 87,566.74, 120,845.06 and 51,787.42 is: 71,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566.74 : 120,845.06 = 51,787.42 : x
  2. Step 2: Convert to fraction form
    87,566.74/120,845.06 = 51,787.42/x
  3. Step 3: Cross multiply
    87,566.74x = 120,845.06 × 51,787.42
  4. Step 4: Simplify right side
    87,566.74x = 6,258,253,877.15
  5. Step 5: Solve for x
    x = 6,258,253,877.15/87,566.74
  6. Step 6: Final answer
    x = 71,468.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.