Home / 88,069.20-121,344.96-59,725.68

Finding the Fourth Proportional to 88,069.20, 121,344.96 and 59,725.68

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Solution

The fourth proportional to 88,069.20, 121,344.96 and 59,725.68 is: 82,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,069.20 : 121,344.96 = 59,725.68 : x
  2. Step 2: Convert to fraction form
    88,069.20/121,344.96 = 59,725.68/x
  3. Step 3: Cross multiply
    88,069.20x = 121,344.96 × 59,725.68
  4. Step 4: Simplify right side
    88,069.20x = 7,247,410,250.57
  5. Step 5: Solve for x
    x = 7,247,410,250.57/88,069.20
  6. Step 6: Final answer
    x = 82,292.22

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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.