Home / 87,665.28-131,505.20-37,746.60

Finding the Fourth Proportional to 87,665.28, 131,505.20 and 37,746.60

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Solution

The fourth proportional to 87,665.28, 131,505.20 and 37,746.60 is: 56,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.28 : 131,505.20 = 37,746.60 : x
  2. Step 2: Convert to fraction form
    87,665.28/131,505.20 = 37,746.60/x
  3. Step 3: Cross multiply
    87,665.28x = 131,505.20 × 37,746.60
  4. Step 4: Simplify right side
    87,665.28x = 4,963,874,182.32
  5. Step 5: Solve for x
    x = 4,963,874,182.32/87,665.28
  6. Step 6: Final answer
    x = 56,623.03

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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.