Home / 88,195.40-121,706.16-52,384.46

Finding the Fourth Proportional to 88,195.40, 121,706.16 and 52,384.46

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Solution

The fourth proportional to 88,195.40, 121,706.16 and 52,384.46 is: 72,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.40 : 121,706.16 = 52,384.46 : x
  2. Step 2: Convert to fraction form
    88,195.40/121,706.16 = 52,384.46/x
  3. Step 3: Cross multiply
    88,195.40x = 121,706.16 × 52,384.46
  4. Step 4: Simplify right side
    88,195.40x = 6,375,511,470.27
  5. Step 5: Solve for x
    x = 6,375,511,470.27/88,195.40
  6. Step 6: Final answer
    x = 72,288.48

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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.