Home / 81,176.73-112,023.49-45,366.72

Finding the Fourth Proportional to 81,176.73, 112,023.49 and 45,366.72

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Solution

The fourth proportional to 81,176.73, 112,023.49 and 45,366.72 is: 62,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.73 : 112,023.49 = 45,366.72 : x
  2. Step 2: Convert to fraction form
    81,176.73/112,023.49 = 45,366.72/x
  3. Step 3: Cross multiply
    81,176.73x = 112,023.49 × 45,366.72
  4. Step 4: Simplify right side
    81,176.73x = 5,082,138,304.25
  5. Step 5: Solve for x
    x = 5,082,138,304.25/81,176.73
  6. Step 6: Final answer
    x = 62,605.85

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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.