Home / 87,124.12-120,229.66-48,884.36

Finding the Fourth Proportional to 87,124.12, 120,229.66 and 48,884.36

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Solution

The fourth proportional to 87,124.12, 120,229.66 and 48,884.36 is: 67,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.12 : 120,229.66 = 48,884.36 : x
  2. Step 2: Convert to fraction form
    87,124.12/120,229.66 = 48,884.36/x
  3. Step 3: Cross multiply
    87,124.12x = 120,229.66 × 48,884.36
  4. Step 4: Simplify right side
    87,124.12x = 5,877,349,982.12
  5. Step 5: Solve for x
    x = 5,877,349,982.12/87,124.12
  6. Step 6: Final answer
    x = 67,459.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.