Home / 88,014.26-121,414.68-55,694.50

Finding the Fourth Proportional to 88,014.26, 121,414.68 and 55,694.50

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Solution

The fourth proportional to 88,014.26, 121,414.68 and 55,694.50 is: 76,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.26 : 121,414.68 = 55,694.50 : x
  2. Step 2: Convert to fraction form
    88,014.26/121,414.68 = 55,694.50/x
  3. Step 3: Cross multiply
    88,014.26x = 121,414.68 × 55,694.50
  4. Step 4: Simplify right side
    88,014.26x = 6,762,129,591.72
  5. Step 5: Solve for x
    x = 6,762,129,591.72/88,014.26
  6. Step 6: Final answer
    x = 76,829.93

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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.