Home / 87,532.54-131,319.61-28,368.25

Finding the Fourth Proportional to 87,532.54, 131,319.61 and 28,368.25

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Solution

The fourth proportional to 87,532.54, 131,319.61 and 28,368.25 is: 42,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.54 : 131,319.61 = 28,368.25 : x
  2. Step 2: Convert to fraction form
    87,532.54/131,319.61 = 28,368.25/x
  3. Step 3: Cross multiply
    87,532.54x = 131,319.61 × 28,368.25
  4. Step 4: Simplify right side
    87,532.54x = 3,725,307,127.16
  5. Step 5: Solve for x
    x = 3,725,307,127.16/87,532.54
  6. Step 6: Final answer
    x = 42,559.11

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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.