Home / 57,042.66-78,729.12-32,842.02

Finding the Fourth Proportional to 57,042.66, 78,729.12 and 32,842.02

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Solution

The fourth proportional to 57,042.66, 78,729.12 and 32,842.02 is: 45,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,042.66 : 78,729.12 = 32,842.02 : x
  2. Step 2: Convert to fraction form
    57,042.66/78,729.12 = 32,842.02/x
  3. Step 3: Cross multiply
    57,042.66x = 78,729.12 × 32,842.02
  4. Step 4: Simplify right side
    57,042.66x = 2,585,623,333.62
  5. Step 5: Solve for x
    x = 2,585,623,333.62/57,042.66
  6. Step 6: Final answer
    x = 45,327.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.