Home / 66,184.92-99,221.52-28,716.78

Finding the Fourth Proportional to 66,184.92, 99,221.52 and 28,716.78

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Solution

The fourth proportional to 66,184.92, 99,221.52 and 28,716.78 is: 43,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.92 : 99,221.52 = 28,716.78 : x
  2. Step 2: Convert to fraction form
    66,184.92/99,221.52 = 28,716.78/x
  3. Step 3: Cross multiply
    66,184.92x = 99,221.52 × 28,716.78
  4. Step 4: Simplify right side
    66,184.92x = 2,849,322,561.11
  5. Step 5: Solve for x
    x = 2,849,322,561.11/66,184.92
  6. Step 6: Final answer
    x = 43,050.93

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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.