Home / 113,665.12-170,497.65-38,785.26

Finding the Fourth Proportional to 113,665.12, 170,497.65 and 38,785.26

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Solution

The fourth proportional to 113,665.12, 170,497.65 and 38,785.26 is: 58,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,665.12 : 170,497.65 = 38,785.26 : x
  2. Step 2: Convert to fraction form
    113,665.12/170,497.65 = 38,785.26/x
  3. Step 3: Cross multiply
    113,665.12x = 170,497.65 × 38,785.26
  4. Step 4: Simplify right side
    113,665.12x = 6,612,794,758.17
  5. Step 5: Solve for x
    x = 6,612,794,758.17/113,665.12
  6. Step 6: Final answer
    x = 58,177.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.