Home / 81,366.73-112,281.49-45,556.12

Finding the Fourth Proportional to 81,366.73, 112,281.49 and 45,556.12

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Solution

The fourth proportional to 81,366.73, 112,281.49 and 45,556.12 is: 62,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366.73 : 112,281.49 = 45,556.12 : x
  2. Step 2: Convert to fraction form
    81,366.73/112,281.49 = 45,556.12/x
  3. Step 3: Cross multiply
    81,366.73x = 112,281.49 × 45,556.12
  4. Step 4: Simplify right side
    81,366.73x = 5,115,109,229.52
  5. Step 5: Solve for x
    x = 5,115,109,229.52/81,366.73
  6. Step 6: Final answer
    x = 62,864.88

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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.