Home / 88,367.72-121,943.78-48,081.64

Finding the Fourth Proportional to 88,367.72, 121,943.78 and 48,081.64

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Solution

The fourth proportional to 88,367.72, 121,943.78 and 48,081.64 is: 66,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,367.72 : 121,943.78 = 48,081.64 : x
  2. Step 2: Convert to fraction form
    88,367.72/121,943.78 = 48,081.64/x
  3. Step 3: Cross multiply
    88,367.72x = 121,943.78 × 48,081.64
  4. Step 4: Simplify right side
    88,367.72x = 5,863,256,930.20
  5. Step 5: Solve for x
    x = 5,863,256,930.20/88,367.72
  6. Step 6: Final answer
    x = 66,350.66

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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.