Home / 89,245.64-123,160.14-48,956.80

Finding the Fourth Proportional to 89,245.64, 123,160.14 and 48,956.80

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Solution

The fourth proportional to 89,245.64, 123,160.14 and 48,956.80 is: 67,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.64 : 123,160.14 = 48,956.80 : x
  2. Step 2: Convert to fraction form
    89,245.64/123,160.14 = 48,956.80/x
  3. Step 3: Cross multiply
    89,245.64x = 123,160.14 × 48,956.80
  4. Step 4: Simplify right side
    89,245.64x = 6,029,526,341.95
  5. Step 5: Solve for x
    x = 6,029,526,341.95/89,245.64
  6. Step 6: Final answer
    x = 67,561.02

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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.