Home / 87,703.28-131,366.16-59,468.48

Finding the Fourth Proportional to 87,703.28, 131,366.16 and 59,468.48

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Solution

The fourth proportional to 87,703.28, 131,366.16 and 59,468.48 is: 89,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,703.28 : 131,366.16 = 59,468.48 : x
  2. Step 2: Convert to fraction form
    87,703.28/131,366.16 = 59,468.48/x
  3. Step 3: Cross multiply
    87,703.28x = 131,366.16 × 59,468.48
  4. Step 4: Simplify right side
    87,703.28x = 7,812,145,858.64
  5. Step 5: Solve for x
    x = 7,812,145,858.64/87,703.28
  6. Step 6: Final answer
    x = 89,074.73

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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.