Home / 87,155.15-130,787.91-37,235.48

Finding the Fourth Proportional to 87,155.15, 130,787.91 and 37,235.48

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Solution

The fourth proportional to 87,155.15, 130,787.91 and 37,235.48 is: 55,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155.15 : 130,787.91 = 37,235.48 : x
  2. Step 2: Convert to fraction form
    87,155.15/130,787.91 = 37,235.48/x
  3. Step 3: Cross multiply
    87,155.15x = 130,787.91 × 37,235.48
  4. Step 4: Simplify right side
    87,155.15x = 4,869,949,953.11
  5. Step 5: Solve for x
    x = 4,869,949,953.11/87,155.15
  6. Step 6: Final answer
    x = 55,876.79

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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.