Home / 80,671.74-111,337.38-48,841.20

Finding the Fourth Proportional to 80,671.74, 111,337.38 and 48,841.20

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Solution

The fourth proportional to 80,671.74, 111,337.38 and 48,841.20 is: 67,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,671.74 : 111,337.38 = 48,841.20 : x
  2. Step 2: Convert to fraction form
    80,671.74/111,337.38 = 48,841.20/x
  3. Step 3: Cross multiply
    80,671.74x = 111,337.38 × 48,841.20
  4. Step 4: Simplify right side
    80,671.74x = 5,437,851,244.06
  5. Step 5: Solve for x
    x = 5,437,851,244.06/80,671.74
  6. Step 6: Final answer
    x = 67,407.14

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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.