Home / 113,379.87-156,465.66-62,398.47

Finding the Fourth Proportional to 113,379.87, 156,465.66 and 62,398.47

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Solution

The fourth proportional to 113,379.87, 156,465.66 and 62,398.47 is: 86,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379.87 : 156,465.66 = 62,398.47 : x
  2. Step 2: Convert to fraction form
    113,379.87/156,465.66 = 62,398.47/x
  3. Step 3: Cross multiply
    113,379.87x = 156,465.66 × 62,398.47
  4. Step 4: Simplify right side
    113,379.87x = 9,763,217,791.54
  5. Step 5: Solve for x
    x = 9,763,217,791.54/113,379.87
  6. Step 6: Final answer
    x = 86,110.68

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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.