Home / 78,463.36-117,760.68-41,036.52

Finding the Fourth Proportional to 78,463.36, 117,760.68 and 41,036.52

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Solution

The fourth proportional to 78,463.36, 117,760.68 and 41,036.52 is: 61,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463.36 : 117,760.68 = 41,036.52 : x
  2. Step 2: Convert to fraction form
    78,463.36/117,760.68 = 41,036.52/x
  3. Step 3: Cross multiply
    78,463.36x = 117,760.68 × 41,036.52
  4. Step 4: Simplify right side
    78,463.36x = 4,832,488,500.03
  5. Step 5: Solve for x
    x = 4,832,488,500.03/78,463.36
  6. Step 6: Final answer
    x = 61,589.11

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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.