Home / 82,311.26-113,587.21-48,319.20

Finding the Fourth Proportional to 82,311.26, 113,587.21 and 48,319.20

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Solution

The fourth proportional to 82,311.26, 113,587.21 and 48,319.20 is: 66,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.26 : 113,587.21 = 48,319.20 : x
  2. Step 2: Convert to fraction form
    82,311.26/113,587.21 = 48,319.20/x
  3. Step 3: Cross multiply
    82,311.26x = 113,587.21 × 48,319.20
  4. Step 4: Simplify right side
    82,311.26x = 5,488,443,177.83
  5. Step 5: Solve for x
    x = 5,488,443,177.83/82,311.26
  6. Step 6: Final answer
    x = 66,679.13

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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.