Home / 72,928.20-109,403.16-23,003.04

Finding the Fourth Proportional to 72,928.20, 109,403.16 and 23,003.04

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Solution

The fourth proportional to 72,928.20, 109,403.16 and 23,003.04 is: 34,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,928.20 : 109,403.16 = 23,003.04 : x
  2. Step 2: Convert to fraction form
    72,928.20/109,403.16 = 23,003.04/x
  3. Step 3: Cross multiply
    72,928.20x = 109,403.16 × 23,003.04
  4. Step 4: Simplify right side
    72,928.20x = 2,516,605,265.61
  5. Step 5: Solve for x
    x = 2,516,605,265.61/72,928.20
  6. Step 6: Final answer
    x = 34,507.99

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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.