Home / 88,432.75-122,084.27-71,015.73

Finding the Fourth Proportional to 88,432.75, 122,084.27 and 71,015.73

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Solution

The fourth proportional to 88,432.75, 122,084.27 and 71,015.73 is: 98,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.75 : 122,084.27 = 71,015.73 : x
  2. Step 2: Convert to fraction form
    88,432.75/122,084.27 = 71,015.73/x
  3. Step 3: Cross multiply
    88,432.75x = 122,084.27 × 71,015.73
  4. Step 4: Simplify right side
    88,432.75x = 8,669,903,555.57
  5. Step 5: Solve for x
    x = 8,669,903,555.57/88,432.75
  6. Step 6: Final answer
    x = 98,039.51

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1.5x scale

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.