Home / 85,326.52-127,947.64-26,147.92

Finding the Fourth Proportional to 85,326.52, 127,947.64 and 26,147.92

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Solution

The fourth proportional to 85,326.52, 127,947.64 and 26,147.92 is: 39,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.52 : 127,947.64 = 26,147.92 : x
  2. Step 2: Convert to fraction form
    85,326.52/127,947.64 = 26,147.92/x
  3. Step 3: Cross multiply
    85,326.52x = 127,947.64 × 26,147.92
  4. Step 4: Simplify right side
    85,326.52x = 3,345,564,654.91
  5. Step 5: Solve for x
    x = 3,345,564,654.91/85,326.52
  6. Step 6: Final answer
    x = 39,208.97

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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.