Home / 89,215.20-133,910.28-67,957.56

Finding the Fourth Proportional to 89,215.20, 133,910.28 and 67,957.56

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Solution

The fourth proportional to 89,215.20, 133,910.28 and 67,957.56 is: 102,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,215.20 : 133,910.28 = 67,957.56 : x
  2. Step 2: Convert to fraction form
    89,215.20/133,910.28 = 67,957.56/x
  3. Step 3: Cross multiply
    89,215.20x = 133,910.28 × 67,957.56
  4. Step 4: Simplify right side
    89,215.20x = 9,100,215,887.72
  5. Step 5: Solve for x
    x = 9,100,215,887.72/89,215.20
  6. Step 6: Final answer
    x = 102,002.98

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1.5x scale

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.