Home / 57,132.05-78,823.13-33,253.65

Finding the Fourth Proportional to 57,132.05, 78,823.13 and 33,253.65

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Solution

The fourth proportional to 57,132.05, 78,823.13 and 33,253.65 is: 45,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.05 : 78,823.13 = 33,253.65 : x
  2. Step 2: Convert to fraction form
    57,132.05/78,823.13 = 33,253.65/x
  3. Step 3: Cross multiply
    57,132.05x = 78,823.13 × 33,253.65
  4. Step 4: Simplify right side
    57,132.05x = 2,621,156,610.66
  5. Step 5: Solve for x
    x = 2,621,156,610.66/57,132.05
  6. Step 6: Final answer
    x = 45,878.92

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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.