Home / 87,923.08-131,884.30-48,459.40

Finding the Fourth Proportional to 87,923.08, 131,884.30 and 48,459.40

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Solution

The fourth proportional to 87,923.08, 131,884.30 and 48,459.40 is: 72,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.08 : 131,884.30 = 48,459.40 : x
  2. Step 2: Convert to fraction form
    87,923.08/131,884.30 = 48,459.40/x
  3. Step 3: Cross multiply
    87,923.08x = 131,884.30 × 48,459.40
  4. Step 4: Simplify right side
    87,923.08x = 6,391,034,047.42
  5. Step 5: Solve for x
    x = 6,391,034,047.42/87,923.08
  6. Step 6: Final answer
    x = 72,688.92

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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.