Home / 45,191.72-62,295.44-31,725.20

Finding the Fourth Proportional to 45,191.72, 62,295.44 and 31,725.20

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Solution

The fourth proportional to 45,191.72, 62,295.44 and 31,725.20 is: 43,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,191.72 : 62,295.44 = 31,725.20 : x
  2. Step 2: Convert to fraction form
    45,191.72/62,295.44 = 31,725.20/x
  3. Step 3: Cross multiply
    45,191.72x = 62,295.44 × 31,725.20
  4. Step 4: Simplify right side
    45,191.72x = 1,976,335,293.09
  5. Step 5: Solve for x
    x = 1,976,335,293.09/45,191.72
  6. Step 6: Final answer
    x = 43,732.24

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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.