Home / 73,500.44-109,605.36-72,867.02

Finding the Fourth Proportional to 73,500.44, 109,605.36 and 72,867.02

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Solution

The fourth proportional to 73,500.44, 109,605.36 and 72,867.02 is: 108,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.44 : 109,605.36 = 72,867.02 : x
  2. Step 2: Convert to fraction form
    73,500.44/109,605.36 = 72,867.02/x
  3. Step 3: Cross multiply
    73,500.44x = 109,605.36 × 72,867.02
  4. Step 4: Simplify right side
    73,500.44x = 7,986,615,411.20
  5. Step 5: Solve for x
    x = 7,986,615,411.20/73,500.44
  6. Step 6: Final answer
    x = 108,660.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.