Home / 87,170.79-120,285.76-48,925.16

Finding the Fourth Proportional to 87,170.79, 120,285.76 and 48,925.16

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Solution

The fourth proportional to 87,170.79, 120,285.76 and 48,925.16 is: 67,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,170.79 : 120,285.76 = 48,925.16 : x
  2. Step 2: Convert to fraction form
    87,170.79/120,285.76 = 48,925.16/x
  3. Step 3: Cross multiply
    87,170.79x = 120,285.76 × 48,925.16
  4. Step 4: Simplify right side
    87,170.79x = 5,885,000,053.72
  5. Step 5: Solve for x
    x = 5,885,000,053.72/87,170.79
  6. Step 6: Final answer
    x = 67,511.15

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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.