Home / 66,205.08-99,251.64-28,736.82

Finding the Fourth Proportional to 66,205.08, 99,251.64 and 28,736.82

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Solution

The fourth proportional to 66,205.08, 99,251.64 and 28,736.82 is: 43,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,205.08 : 99,251.64 = 28,736.82 : x
  2. Step 2: Convert to fraction form
    66,205.08/99,251.64 = 28,736.82/x
  3. Step 3: Cross multiply
    66,205.08x = 99,251.64 × 28,736.82
  4. Step 4: Simplify right side
    66,205.08x = 2,852,176,513.38
  5. Step 5: Solve for x
    x = 2,852,176,513.38/66,205.08
  6. Step 6: Final answer
    x = 43,080.93

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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.