Home / 66,299.44-99,449.16-54,588.05

Finding the Fourth Proportional to 66,299.44, 99,449.16 and 54,588.05

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Solution

The fourth proportional to 66,299.44, 99,449.16 and 54,588.05 is: 81,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.44 : 99,449.16 = 54,588.05 : x
  2. Step 2: Convert to fraction form
    66,299.44/99,449.16 = 54,588.05/x
  3. Step 3: Cross multiply
    66,299.44x = 99,449.16 × 54,588.05
  4. Step 4: Simplify right side
    66,299.44x = 5,428,735,718.54
  5. Step 5: Solve for x
    x = 5,428,735,718.54/66,299.44
  6. Step 6: Final answer
    x = 81,882.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.