Home / 88,377.58-121,965.33-50,651.92

Finding the Fourth Proportional to 88,377.58, 121,965.33 and 50,651.92

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Solution

The fourth proportional to 88,377.58, 121,965.33 and 50,651.92 is: 69,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377.58 : 121,965.33 = 50,651.92 : x
  2. Step 2: Convert to fraction form
    88,377.58/121,965.33 = 50,651.92/x
  3. Step 3: Cross multiply
    88,377.58x = 121,965.33 × 50,651.92
  4. Step 4: Simplify right side
    88,377.58x = 6,177,778,137.93
  5. Step 5: Solve for x
    x = 6,177,778,137.93/88,377.58
  6. Step 6: Final answer
    x = 69,902.10

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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.