Home / 87,664.80-131,497.20-25,341.60

Finding the Fourth Proportional to 87,664.80, 131,497.20 and 25,341.60

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Solution

The fourth proportional to 87,664.80, 131,497.20 and 25,341.60 is: 38,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.80 : 131,497.20 = 25,341.60 : x
  2. Step 2: Convert to fraction form
    87,664.80/131,497.20 = 25,341.60/x
  3. Step 3: Cross multiply
    87,664.80x = 131,497.20 × 25,341.60
  4. Step 4: Simplify right side
    87,664.80x = 3,332,349,443.52
  5. Step 5: Solve for x
    x = 3,332,349,443.52/87,664.80
  6. Step 6: Final answer
    x = 38,012.40

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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.