Home / 89,748.19-123,846.94-49,459.70

Finding the Fourth Proportional to 89,748.19, 123,846.94 and 49,459.70

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Solution

The fourth proportional to 89,748.19, 123,846.94 and 49,459.70 is: 68,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,748.19 : 123,846.94 = 49,459.70 : x
  2. Step 2: Convert to fraction form
    89,748.19/123,846.94 = 49,459.70/x
  3. Step 3: Cross multiply
    89,748.19x = 123,846.94 × 49,459.70
  4. Step 4: Simplify right side
    89,748.19x = 6,125,432,498.32
  5. Step 5: Solve for x
    x = 6,125,432,498.32/89,748.19
  6. Step 6: Final answer
    x = 68,251.32

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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.