Home / 87,412.40-131,032.20-34,751.60

Finding the Fourth Proportional to 87,412.40, 131,032.20 and 34,751.60

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Solution

The fourth proportional to 87,412.40, 131,032.20 and 34,751.60 is: 52,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,412.40 : 131,032.20 = 34,751.60 : x
  2. Step 2: Convert to fraction form
    87,412.40/131,032.20 = 34,751.60/x
  3. Step 3: Cross multiply
    87,412.40x = 131,032.20 × 34,751.60
  4. Step 4: Simplify right side
    87,412.40x = 4,553,578,601.52
  5. Step 5: Solve for x
    x = 4,553,578,601.52/87,412.40
  6. Step 6: Final answer
    x = 52,093.05

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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.