Home / 88,778.32-122,517.72-51,052.57

Finding the Fourth Proportional to 88,778.32, 122,517.72 and 51,052.57

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Solution

The fourth proportional to 88,778.32, 122,517.72 and 51,052.57 is: 70,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,778.32 : 122,517.72 = 51,052.57 : x
  2. Step 2: Convert to fraction form
    88,778.32/122,517.72 = 51,052.57/x
  3. Step 3: Cross multiply
    88,778.32x = 122,517.72 × 51,052.57
  4. Step 4: Simplify right side
    88,778.32x = 6,254,844,476.54
  5. Step 5: Solve for x
    x = 6,254,844,476.54/88,778.32
  6. Step 6: Final answer
    x = 70,454.64

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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.