Home / 88,055.88-121,523.16-49,815.48

Finding the Fourth Proportional to 88,055.88, 121,523.16 and 49,815.48

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Solution

The fourth proportional to 88,055.88, 121,523.16 and 49,815.48 is: 68,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,055.88 : 121,523.16 = 49,815.48 : x
  2. Step 2: Convert to fraction form
    88,055.88/121,523.16 = 49,815.48/x
  3. Step 3: Cross multiply
    88,055.88x = 121,523.16 × 49,815.48
  4. Step 4: Simplify right side
    88,055.88x = 6,053,734,546.52
  5. Step 5: Solve for x
    x = 6,053,734,546.52/88,055.88
  6. Step 6: Final answer
    x = 68,748.78

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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.