Home / 88,236.92-121,766.55-47,949.92

Finding the Fourth Proportional to 88,236.92, 121,766.55 and 47,949.92

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Solution

The fourth proportional to 88,236.92, 121,766.55 and 47,949.92 is: 66,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.92 : 121,766.55 = 47,949.92 : x
  2. Step 2: Convert to fraction form
    88,236.92/121,766.55 = 47,949.92/x
  3. Step 3: Cross multiply
    88,236.92x = 121,766.55 × 47,949.92
  4. Step 4: Simplify right side
    88,236.92x = 5,838,696,331.18
  5. Step 5: Solve for x
    x = 5,838,696,331.18/88,236.92
  6. Step 6: Final answer
    x = 66,170.67

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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.