Home / 88,479.70-122,124.04-54,517.28

Finding the Fourth Proportional to 88,479.70, 122,124.04 and 54,517.28

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Solution

The fourth proportional to 88,479.70, 122,124.04 and 54,517.28 is: 75,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,479.70 : 122,124.04 = 54,517.28 : x
  2. Step 2: Convert to fraction form
    88,479.70/122,124.04 = 54,517.28/x
  3. Step 3: Cross multiply
    88,479.70x = 122,124.04 × 54,517.28
  4. Step 4: Simplify right side
    88,479.70x = 6,657,869,736.50
  5. Step 5: Solve for x
    x = 6,657,869,736.50/88,479.70
  6. Step 6: Final answer
    x = 75,247.43

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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.