Home / 45,725.47-68,590.86-17,645.68

Finding the Fourth Proportional to 45,725.47, 68,590.86 and 17,645.68

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Solution

The fourth proportional to 45,725.47, 68,590.86 and 17,645.68 is: 26,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.47 : 68,590.86 = 17,645.68 : x
  2. Step 2: Convert to fraction form
    45,725.47/68,590.86 = 17,645.68/x
  3. Step 3: Cross multiply
    45,725.47x = 68,590.86 × 17,645.68
  4. Step 4: Simplify right side
    45,725.47x = 1,210,332,366.48
  5. Step 5: Solve for x
    x = 1,210,332,366.48/45,725.47
  6. Step 6: Final answer
    x = 26,469.54

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1.5x scale

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.