Home / 88,932.20-133,236.30-70,334.60

Finding the Fourth Proportional to 88,932.20, 133,236.30 and 70,334.60

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Solution

The fourth proportional to 88,932.20, 133,236.30 and 70,334.60 is: 105,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,932.20 : 133,236.30 = 70,334.60 : x
  2. Step 2: Convert to fraction form
    88,932.20/133,236.30 = 70,334.60/x
  3. Step 3: Cross multiply
    88,932.20x = 133,236.30 × 70,334.60
  4. Step 4: Simplify right side
    88,932.20x = 9,371,121,865.98
  5. Step 5: Solve for x
    x = 9,371,121,865.98/88,932.20
  6. Step 6: Final answer
    x = 105,373.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.