Home / 88,654.41-122,338.80-48,365.78

Finding the Fourth Proportional to 88,654.41, 122,338.80 and 48,365.78

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Solution

The fourth proportional to 88,654.41, 122,338.80 and 48,365.78 is: 66,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.41 : 122,338.80 = 48,365.78 : x
  2. Step 2: Convert to fraction form
    88,654.41/122,338.80 = 48,365.78/x
  3. Step 3: Cross multiply
    88,654.41x = 122,338.80 × 48,365.78
  4. Step 4: Simplify right side
    88,654.41x = 5,917,010,874.57
  5. Step 5: Solve for x
    x = 5,917,010,874.57/88,654.41
  6. Step 6: Final answer
    x = 66,742.43

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1.5x scale

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.