Home / 87,141.89-130,710.09-24,812.39

Finding the Fourth Proportional to 87,141.89, 130,710.09 and 24,812.39

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Solution

The fourth proportional to 87,141.89, 130,710.09 and 24,812.39 is: 37,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,141.89 : 130,710.09 = 24,812.39 : x
  2. Step 2: Convert to fraction form
    87,141.89/130,710.09 = 24,812.39/x
  3. Step 3: Cross multiply
    87,141.89x = 130,710.09 × 24,812.39
  4. Step 4: Simplify right side
    87,141.89x = 3,243,229,730.02
  5. Step 5: Solve for x
    x = 3,243,229,730.02/87,141.89
  6. Step 6: Final answer
    x = 37,217.80

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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.