Home / 87,702.76-131,532.24-34,405.60

Finding the Fourth Proportional to 87,702.76, 131,532.24 and 34,405.60

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Solution

The fourth proportional to 87,702.76, 131,532.24 and 34,405.60 is: 51,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,702.76 : 131,532.24 = 34,405.60 : x
  2. Step 2: Convert to fraction form
    87,702.76/131,532.24 = 34,405.60/x
  3. Step 3: Cross multiply
    87,702.76x = 131,532.24 × 34,405.60
  4. Step 4: Simplify right side
    87,702.76x = 4,525,445,636.54
  5. Step 5: Solve for x
    x = 4,525,445,636.54/87,702.76
  6. Step 6: Final answer
    x = 51,599.81

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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.