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Finding the Fourth Proportional to 88,544, 122,198.40 and 48,807.68

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Solution

The fourth proportional to 88,544, 122,198.40 and 48,807.68 is: 67,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,544 : 122,198.40 = 48,807.68 : x
  2. Step 2: Convert to fraction form
    88,544/122,198.40 = 48,807.68/x
  3. Step 3: Cross multiply
    88,544x = 122,198.40 × 48,807.68
  4. Step 4: Simplify right side
    88,544x = 5,964,220,403.71
  5. Step 5: Solve for x
    x = 5,964,220,403.71/88,544
  6. Step 6: Final answer
    x = 67,358.83

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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.