Home / 113,937.62-171,013.68-57,818.03

Finding the Fourth Proportional to 113,937.62, 171,013.68 and 57,818.03

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Solution

The fourth proportional to 113,937.62, 171,013.68 and 57,818.03 is: 86,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,937.62 : 171,013.68 = 57,818.03 : x
  2. Step 2: Convert to fraction form
    113,937.62/171,013.68 = 57,818.03/x
  3. Step 3: Cross multiply
    113,937.62x = 171,013.68 × 57,818.03
  4. Step 4: Simplify right side
    113,937.62x = 9,887,673,225.58
  5. Step 5: Solve for x
    x = 9,887,673,225.58/113,937.62
  6. Step 6: Final answer
    x = 86,781.47

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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.