Home / 87,816.48-131,737.56-25,478.88

Finding the Fourth Proportional to 87,816.48, 131,737.56 and 25,478.88

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Solution

The fourth proportional to 87,816.48, 131,737.56 and 25,478.88 is: 38,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816.48 : 131,737.56 = 25,478.88 : x
  2. Step 2: Convert to fraction form
    87,816.48/131,737.56 = 25,478.88/x
  3. Step 3: Cross multiply
    87,816.48x = 131,737.56 × 25,478.88
  4. Step 4: Simplify right side
    87,816.48x = 3,356,525,482.73
  5. Step 5: Solve for x
    x = 3,356,525,482.73/87,816.48
  6. Step 6: Final answer
    x = 38,222.05

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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.