Home / 89,040.53-122,872.12-48,753.56

Finding the Fourth Proportional to 89,040.53, 122,872.12 and 48,753.56

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Solution

The fourth proportional to 89,040.53, 122,872.12 and 48,753.56 is: 67,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.53 : 122,872.12 = 48,753.56 : x
  2. Step 2: Convert to fraction form
    89,040.53/122,872.12 = 48,753.56/x
  3. Step 3: Cross multiply
    89,040.53x = 122,872.12 × 48,753.56
  4. Step 4: Simplify right side
    89,040.53x = 5,990,453,274.75
  5. Step 5: Solve for x
    x = 5,990,453,274.75/89,040.53
  6. Step 6: Final answer
    x = 67,277.83

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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.