Home / 73,139.04-109,708.56-25,751.52

Finding the Fourth Proportional to 73,139.04, 109,708.56 and 25,751.52

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Solution

The fourth proportional to 73,139.04, 109,708.56 and 25,751.52 is: 38,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.04 : 109,708.56 = 25,751.52 : x
  2. Step 2: Convert to fraction form
    73,139.04/109,708.56 = 25,751.52/x
  3. Step 3: Cross multiply
    73,139.04x = 109,708.56 × 25,751.52
  4. Step 4: Simplify right side
    73,139.04x = 2,825,162,177.01
  5. Step 5: Solve for x
    x = 2,825,162,177.01/73,139.04
  6. Step 6: Final answer
    x = 38,627.28

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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.