Home / 83,475.07-115,174.93-49,491.52

Finding the Fourth Proportional to 83,475.07, 115,174.93 and 49,491.52

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Solution

The fourth proportional to 83,475.07, 115,174.93 and 49,491.52 is: 68,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.07 : 115,174.93 = 49,491.52 : x
  2. Step 2: Convert to fraction form
    83,475.07/115,174.93 = 49,491.52/x
  3. Step 3: Cross multiply
    83,475.07x = 115,174.93 × 49,491.52
  4. Step 4: Simplify right side
    83,475.07x = 5,700,181,528.26
  5. Step 5: Solve for x
    x = 5,700,181,528.26/83,475.07
  6. Step 6: Final answer
    x = 68,286.04

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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.