Home / 72,829.56-109,184.40-32,851.20

Finding the Fourth Proportional to 72,829.56, 109,184.40 and 32,851.20

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Solution

The fourth proportional to 72,829.56, 109,184.40 and 32,851.20 is: 49,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.56 : 109,184.40 = 32,851.20 : x
  2. Step 2: Convert to fraction form
    72,829.56/109,184.40 = 32,851.20/x
  3. Step 3: Cross multiply
    72,829.56x = 109,184.40 × 32,851.20
  4. Step 4: Simplify right side
    72,829.56x = 3,586,838,561.28
  5. Step 5: Solve for x
    x = 3,586,838,561.28/72,829.56
  6. Step 6: Final answer
    x = 49,249.76

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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.