Home / 89,771.19-123,878.61-49,482.69

Finding the Fourth Proportional to 89,771.19, 123,878.61 and 49,482.69

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Solution

The fourth proportional to 89,771.19, 123,878.61 and 49,482.69 is: 68,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,771.19 : 123,878.61 = 49,482.69 : x
  2. Step 2: Convert to fraction form
    89,771.19/123,878.61 = 49,482.69/x
  3. Step 3: Cross multiply
    89,771.19x = 123,878.61 × 49,482.69
  4. Step 4: Simplify right side
    89,771.19x = 6,129,846,856.26
  5. Step 5: Solve for x
    x = 6,129,846,856.26/89,771.19
  6. Step 6: Final answer
    x = 68,283.01

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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.