Home / 87,356.16-131,032.80-25,025.28

Finding the Fourth Proportional to 87,356.16, 131,032.80 and 25,025.28

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Solution

The fourth proportional to 87,356.16, 131,032.80 and 25,025.28 is: 37,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356.16 : 131,032.80 = 25,025.28 : x
  2. Step 2: Convert to fraction form
    87,356.16/131,032.80 = 25,025.28/x
  3. Step 3: Cross multiply
    87,356.16x = 131,032.80 × 25,025.28
  4. Step 4: Simplify right side
    87,356.16x = 3,279,132,509.18
  5. Step 5: Solve for x
    x = 3,279,132,509.18/87,356.16
  6. Step 6: Final answer
    x = 37,537.51

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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.