Home / 87,104.72-130,705.08-52,110.80

Finding the Fourth Proportional to 87,104.72, 130,705.08 and 52,110.80

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Solution

The fourth proportional to 87,104.72, 130,705.08 and 52,110.80 is: 78,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,104.72 : 130,705.08 = 52,110.80 : x
  2. Step 2: Convert to fraction form
    87,104.72/130,705.08 = 52,110.80/x
  3. Step 3: Cross multiply
    87,104.72x = 130,705.08 × 52,110.80
  4. Step 4: Simplify right side
    87,104.72x = 6,811,146,282.86
  5. Step 5: Solve for x
    x = 6,811,146,282.86/87,104.72
  6. Step 6: Final answer
    x = 78,194.92

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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.