Home / 54,529.60-81,842.40-32,315.20

Finding the Fourth Proportional to 54,529.60, 81,842.40 and 32,315.20

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Solution

The fourth proportional to 54,529.60, 81,842.40 and 32,315.20 is: 48,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,529.60 : 81,842.40 = 32,315.20 : x
  2. Step 2: Convert to fraction form
    54,529.60/81,842.40 = 32,315.20/x
  3. Step 3: Cross multiply
    54,529.60x = 81,842.40 × 32,315.20
  4. Step 4: Simplify right side
    54,529.60x = 2,644,753,524.48
  5. Step 5: Solve for x
    x = 2,644,753,524.48/54,529.60
  6. Step 6: Final answer
    x = 48,501.25

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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.