Home / 87,017.81-120,077.11-48,256.88

Finding the Fourth Proportional to 87,017.81, 120,077.11 and 48,256.88

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Solution

The fourth proportional to 87,017.81, 120,077.11 and 48,256.88 is: 66,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,017.81 : 120,077.11 = 48,256.88 : x
  2. Step 2: Convert to fraction form
    87,017.81/120,077.11 = 48,256.88/x
  3. Step 3: Cross multiply
    87,017.81x = 120,077.11 × 48,256.88
  4. Step 4: Simplify right side
    87,017.81x = 5,794,546,147.95
  5. Step 5: Solve for x
    x = 5,794,546,147.95/87,017.81
  6. Step 6: Final answer
    x = 66,590.35

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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.