Home / 87,156.90-130,718.13-23,960.71

Finding the Fourth Proportional to 87,156.90, 130,718.13 and 23,960.71

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Solution

The fourth proportional to 87,156.90, 130,718.13 and 23,960.71 is: 35,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.90 : 130,718.13 = 23,960.71 : x
  2. Step 2: Convert to fraction form
    87,156.90/130,718.13 = 23,960.71/x
  3. Step 3: Cross multiply
    87,156.90x = 130,718.13 × 23,960.71
  4. Step 4: Simplify right side
    87,156.90x = 3,132,099,204.67
  5. Step 5: Solve for x
    x = 3,132,099,204.67/87,156.90
  6. Step 6: Final answer
    x = 35,936.33

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1.5x scale

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.