Home / 45,318.38-67,900.86-27,751.52

Finding the Fourth Proportional to 45,318.38, 67,900.86 and 27,751.52

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Solution

The fourth proportional to 45,318.38, 67,900.86 and 27,751.52 is: 41,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.38 : 67,900.86 = 27,751.52 : x
  2. Step 2: Convert to fraction form
    45,318.38/67,900.86 = 27,751.52/x
  3. Step 3: Cross multiply
    45,318.38x = 67,900.86 × 27,751.52
  4. Step 4: Simplify right side
    45,318.38x = 1,884,352,074.31
  5. Step 5: Solve for x
    x = 1,884,352,074.31/45,318.38
  6. Step 6: Final answer
    x = 41,580.31

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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.