Home / 97,360.62-134,359.38-57,103.42

Finding the Fourth Proportional to 97,360.62, 134,359.38 and 57,103.42

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Solution

The fourth proportional to 97,360.62, 134,359.38 and 57,103.42 is: 78,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,360.62 : 134,359.38 = 57,103.42 : x
  2. Step 2: Convert to fraction form
    97,360.62/134,359.38 = 57,103.42/x
  3. Step 3: Cross multiply
    97,360.62x = 134,359.38 × 57,103.42
  4. Step 4: Simplify right side
    97,360.62x = 7,672,380,107.08
  5. Step 5: Solve for x
    x = 7,672,380,107.08/97,360.62
  6. Step 6: Final answer
    x = 78,803.73

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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.