Home / 72,943.56-109,320.30-32,932.80

Finding the Fourth Proportional to 72,943.56, 109,320.30 and 32,932.80

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Solution

The fourth proportional to 72,943.56, 109,320.30 and 32,932.80 is: 49,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,943.56 : 109,320.30 = 32,932.80 : x
  2. Step 2: Convert to fraction form
    72,943.56/109,320.30 = 32,932.80/x
  3. Step 3: Cross multiply
    72,943.56x = 109,320.30 × 32,932.80
  4. Step 4: Simplify right side
    72,943.56x = 3,600,223,575.84
  5. Step 5: Solve for x
    x = 3,600,223,575.84/72,943.56
  6. Step 6: Final answer
    x = 49,356.29

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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.