Home / 113,416.39-170,138.52-38,548.87

Finding the Fourth Proportional to 113,416.39, 170,138.52 and 38,548.87

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Solution

The fourth proportional to 113,416.39, 170,138.52 and 38,548.87 is: 57,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.39 : 170,138.52 = 38,548.87 : x
  2. Step 2: Convert to fraction form
    113,416.39/170,138.52 = 38,548.87/x
  3. Step 3: Cross multiply
    113,416.39x = 170,138.52 × 38,548.87
  4. Step 4: Simplify right side
    113,416.39x = 6,558,647,689.47
  5. Step 5: Solve for x
    x = 6,558,647,689.47/113,416.39
  6. Step 6: Final answer
    x = 57,828.04

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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.