Home / 118,034.33-162,885.24-64,319.78

Finding the Fourth Proportional to 118,034.33, 162,885.24 and 64,319.78

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Solution

The fourth proportional to 118,034.33, 162,885.24 and 64,319.78 is: 88,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,034.33 : 162,885.24 = 64,319.78 : x
  2. Step 2: Convert to fraction form
    118,034.33/162,885.24 = 64,319.78/x
  3. Step 3: Cross multiply
    118,034.33x = 162,885.24 × 64,319.78
  4. Step 4: Simplify right side
    118,034.33x = 10,476,741,987.62
  5. Step 5: Solve for x
    x = 10,476,741,987.62/118,034.33
  6. Step 6: Final answer
    x = 88,760.13

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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.