Home / 87,750.06-131,624.98-28,585.64

Finding the Fourth Proportional to 87,750.06, 131,624.98 and 28,585.64

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Solution

The fourth proportional to 87,750.06, 131,624.98 and 28,585.64 is: 42,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.06 : 131,624.98 = 28,585.64 : x
  2. Step 2: Convert to fraction form
    87,750.06/131,624.98 = 28,585.64/x
  3. Step 3: Cross multiply
    87,750.06x = 131,624.98 × 28,585.64
  4. Step 4: Simplify right side
    87,750.06x = 3,762,584,293.29
  5. Step 5: Solve for x
    x = 3,762,584,293.29/87,750.06
  6. Step 6: Final answer
    x = 42,878.42

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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.