Home / 89,750.41-123,855.15-49,464.08

Finding the Fourth Proportional to 89,750.41, 123,855.15 and 49,464.08

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Solution

The fourth proportional to 89,750.41, 123,855.15 and 49,464.08 is: 68,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,750.41 : 123,855.15 = 49,464.08 : x
  2. Step 2: Convert to fraction form
    89,750.41/123,855.15 = 49,464.08/x
  3. Step 3: Cross multiply
    89,750.41x = 123,855.15 × 49,464.08
  4. Step 4: Simplify right side
    89,750.41x = 6,126,381,048.01
  5. Step 5: Solve for x
    x = 6,126,381,048.01/89,750.41
  6. Step 6: Final answer
    x = 68,260.20

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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.