Home / 58,221.38-80,345.49-31,725.38

Finding the Fourth Proportional to 58,221.38, 80,345.49 and 31,725.38

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Solution

The fourth proportional to 58,221.38, 80,345.49 and 31,725.38 is: 43,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,221.38 : 80,345.49 = 31,725.38 : x
  2. Step 2: Convert to fraction form
    58,221.38/80,345.49 = 31,725.38/x
  3. Step 3: Cross multiply
    58,221.38x = 80,345.49 × 31,725.38
  4. Step 4: Simplify right side
    58,221.38x = 2,548,991,201.54
  5. Step 5: Solve for x
    x = 2,548,991,201.54/58,221.38
  6. Step 6: Final answer
    x = 43,781.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.