Home / 54,182.52-74,765.03-31,528.85

Finding the Fourth Proportional to 54,182.52, 74,765.03 and 31,528.85

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Solution

The fourth proportional to 54,182.52, 74,765.03 and 31,528.85 is: 43,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.52 : 74,765.03 = 31,528.85 : x
  2. Step 2: Convert to fraction form
    54,182.52/74,765.03 = 31,528.85/x
  3. Step 3: Cross multiply
    54,182.52x = 74,765.03 × 31,528.85
  4. Step 4: Simplify right side
    54,182.52x = 2,357,254,884.65
  5. Step 5: Solve for x
    x = 2,357,254,884.65/54,182.52
  6. Step 6: Final answer
    x = 43,505.82

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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.