Home / 80,746.38-111,427.11-44,937.90

Finding the Fourth Proportional to 80,746.38, 111,427.11 and 44,937.90

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Solution

The fourth proportional to 80,746.38, 111,427.11 and 44,937.90 is: 62,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.38 : 111,427.11 = 44,937.90 : x
  2. Step 2: Convert to fraction form
    80,746.38/111,427.11 = 44,937.90/x
  3. Step 3: Cross multiply
    80,746.38x = 111,427.11 × 44,937.90
  4. Step 4: Simplify right side
    80,746.38x = 5,007,300,326.47
  5. Step 5: Solve for x
    x = 5,007,300,326.47/80,746.38
  6. Step 6: Final answer
    x = 62,012.69

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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.