Home / 87,043.53-130,565.30-57,454.44

Finding the Fourth Proportional to 87,043.53, 130,565.30 and 57,454.44

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Solution

The fourth proportional to 87,043.53, 130,565.30 and 57,454.44 is: 86,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.53 : 130,565.30 = 57,454.44 : x
  2. Step 2: Convert to fraction form
    87,043.53/130,565.30 = 57,454.44/x
  3. Step 3: Cross multiply
    87,043.53x = 130,565.30 × 57,454.44
  4. Step 4: Simplify right side
    87,043.53x = 7,501,555,907.66
  5. Step 5: Solve for x
    x = 7,501,555,907.66/87,043.53
  6. Step 6: Final answer
    x = 86,181.66

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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.