Home / 87,722.42-121,052.30-49,480.88

Finding the Fourth Proportional to 87,722.42, 121,052.30 and 49,480.88

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Solution

The fourth proportional to 87,722.42, 121,052.30 and 49,480.88 is: 68,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,722.42 : 121,052.30 = 49,480.88 : x
  2. Step 2: Convert to fraction form
    87,722.42/121,052.30 = 49,480.88/x
  3. Step 3: Cross multiply
    87,722.42x = 121,052.30 × 49,480.88
  4. Step 4: Simplify right side
    87,722.42x = 5,989,774,330.02
  5. Step 5: Solve for x
    x = 5,989,774,330.02/87,722.42
  6. Step 6: Final answer
    x = 68,281.00

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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.