Home / 83,541.24-115,287.48-45,815.76

Finding the Fourth Proportional to 83,541.24, 115,287.48 and 45,815.76

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Solution

The fourth proportional to 83,541.24, 115,287.48 and 45,815.76 is: 63,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.24 : 115,287.48 = 45,815.76 : x
  2. Step 2: Convert to fraction form
    83,541.24/115,287.48 = 45,815.76/x
  3. Step 3: Cross multiply
    83,541.24x = 115,287.48 × 45,815.76
  4. Step 4: Simplify right side
    83,541.24x = 5,281,983,514.68
  5. Step 5: Solve for x
    x = 5,281,983,514.68/83,541.24
  6. Step 6: Final answer
    x = 63,226.06

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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.