Home / 87,115.32-120,228.84-48,881.16

Finding the Fourth Proportional to 87,115.32, 120,228.84 and 48,881.16

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Solution

The fourth proportional to 87,115.32, 120,228.84 and 48,881.16 is: 67,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,115.32 : 120,228.84 = 48,881.16 : x
  2. Step 2: Convert to fraction form
    87,115.32/120,228.84 = 48,881.16/x
  3. Step 3: Cross multiply
    87,115.32x = 120,228.84 × 48,881.16
  4. Step 4: Simplify right side
    87,115.32x = 5,876,925,164.65
  5. Step 5: Solve for x
    x = 5,876,925,164.65/87,115.32
  6. Step 6: Final answer
    x = 67,461.44

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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.