Home / 87,115.96-130,658.36-23,074.55

Finding the Fourth Proportional to 87,115.96, 130,658.36 and 23,074.55

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Solution

The fourth proportional to 87,115.96, 130,658.36 and 23,074.55 is: 34,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,115.96 : 130,658.36 = 23,074.55 : x
  2. Step 2: Convert to fraction form
    87,115.96/130,658.36 = 23,074.55/x
  3. Step 3: Cross multiply
    87,115.96x = 130,658.36 × 23,074.55
  4. Step 4: Simplify right side
    87,115.96x = 3,014,882,860.74
  5. Step 5: Solve for x
    x = 3,014,882,860.74/87,115.96
  6. Step 6: Final answer
    x = 34,607.70

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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.