Home / 89,595.09-123,641.28-49,311.75

Finding the Fourth Proportional to 89,595.09, 123,641.28 and 49,311.75

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Solution

The fourth proportional to 89,595.09, 123,641.28 and 49,311.75 is: 68,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,595.09 : 123,641.28 = 49,311.75 : x
  2. Step 2: Convert to fraction form
    89,595.09/123,641.28 = 49,311.75/x
  3. Step 3: Cross multiply
    89,595.09x = 123,641.28 × 49,311.75
  4. Step 4: Simplify right side
    89,595.09x = 6,096,967,889.04
  5. Step 5: Solve for x
    x = 6,096,967,889.04/89,595.09
  6. Step 6: Final answer
    x = 68,050.25

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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.