Home / 87,134.15-130,690.84-23,960.68

Finding the Fourth Proportional to 87,134.15, 130,690.84 and 23,960.68

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Solution

The fourth proportional to 87,134.15, 130,690.84 and 23,960.68 is: 35,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,134.15 : 130,690.84 = 23,960.68 : x
  2. Step 2: Convert to fraction form
    87,134.15/130,690.84 = 23,960.68/x
  3. Step 3: Cross multiply
    87,134.15x = 130,690.84 × 23,960.68
  4. Step 4: Simplify right side
    87,134.15x = 3,131,440,622.91
  5. Step 5: Solve for x
    x = 3,131,440,622.91/87,134.15
  6. Step 6: Final answer
    x = 35,938.16

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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.