Home / 74,719.28-112,001.16-27,951.92

Finding the Fourth Proportional to 74,719.28, 112,001.16 and 27,951.92

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Solution

The fourth proportional to 74,719.28, 112,001.16 and 27,951.92 is: 41,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,719.28 : 112,001.16 = 27,951.92 : x
  2. Step 2: Convert to fraction form
    74,719.28/112,001.16 = 27,951.92/x
  3. Step 3: Cross multiply
    74,719.28x = 112,001.16 × 27,951.92
  4. Step 4: Simplify right side
    74,719.28x = 3,130,647,464.23
  5. Step 5: Solve for x
    x = 3,130,647,464.23/74,719.28
  6. Step 6: Final answer
    x = 41,898.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.