Home / 81,360.24-112,287.72-45,563.92

Finding the Fourth Proportional to 81,360.24, 112,287.72 and 45,563.92

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Solution

The fourth proportional to 81,360.24, 112,287.72 and 45,563.92 is: 62,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.24 : 112,287.72 = 45,563.92 : x
  2. Step 2: Convert to fraction form
    81,360.24/112,287.72 = 45,563.92/x
  3. Step 3: Cross multiply
    81,360.24x = 112,287.72 × 45,563.92
  4. Step 4: Simplify right side
    81,360.24x = 5,116,268,691.06
  5. Step 5: Solve for x
    x = 5,116,268,691.06/81,360.24
  6. Step 6: Final answer
    x = 62,884.14

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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.