Home / 89,961.46-124,091.46-72,099.13

Finding the Fourth Proportional to 89,961.46, 124,091.46 and 72,099.13

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Solution

The fourth proportional to 89,961.46, 124,091.46 and 72,099.13 is: 99,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.46 : 124,091.46 = 72,099.13 : x
  2. Step 2: Convert to fraction form
    89,961.46/124,091.46 = 72,099.13/x
  3. Step 3: Cross multiply
    89,961.46x = 124,091.46 × 72,099.13
  4. Step 4: Simplify right side
    89,961.46x = 8,946,886,306.43
  5. Step 5: Solve for x
    x = 8,946,886,306.43/89,961.46
  6. Step 6: Final answer
    x = 99,452.44

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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.