Home / 87,411.22-131,091.24-49,964.32

Finding the Fourth Proportional to 87,411.22, 131,091.24 and 49,964.32

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Solution

The fourth proportional to 87,411.22, 131,091.24 and 49,964.32 is: 74,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,411.22 : 131,091.24 = 49,964.32 : x
  2. Step 2: Convert to fraction form
    87,411.22/131,091.24 = 49,964.32/x
  3. Step 3: Cross multiply
    87,411.22x = 131,091.24 × 49,964.32
  4. Step 4: Simplify right side
    87,411.22x = 6,549,884,664.56
  5. Step 5: Solve for x
    x = 6,549,884,664.56/87,411.22
  6. Step 6: Final answer
    x = 74,931.85

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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.