Home / 113,704.38-156,913.26-62,719.34

Finding the Fourth Proportional to 113,704.38, 156,913.26 and 62,719.34

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Solution

The fourth proportional to 113,704.38, 156,913.26 and 62,719.34 is: 86,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,704.38 : 156,913.26 = 62,719.34 : x
  2. Step 2: Convert to fraction form
    113,704.38/156,913.26 = 62,719.34/x
  3. Step 3: Cross multiply
    113,704.38x = 156,913.26 × 62,719.34
  4. Step 4: Simplify right side
    113,704.38x = 9,841,496,104.45
  5. Step 5: Solve for x
    x = 9,841,496,104.45/113,704.38
  6. Step 6: Final answer
    x = 86,553.36

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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.