Home / 57,027.58-78,666.49-33,151.61

Finding the Fourth Proportional to 57,027.58, 78,666.49 and 33,151.61

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Solution

The fourth proportional to 57,027.58, 78,666.49 and 33,151.61 is: 45,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.58 : 78,666.49 = 33,151.61 : x
  2. Step 2: Convert to fraction form
    57,027.58/78,666.49 = 33,151.61/x
  3. Step 3: Cross multiply
    57,027.58x = 78,666.49 × 33,151.61
  4. Step 4: Simplify right side
    57,027.58x = 2,607,921,034.65
  5. Step 5: Solve for x
    x = 2,607,921,034.65/57,027.58
  6. Step 6: Final answer
    x = 45,730.88

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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.