Home / 63,727.13-87,907.56-38,226.71

Finding the Fourth Proportional to 63,727.13, 87,907.56 and 38,226.71

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Solution

The fourth proportional to 63,727.13, 87,907.56 and 38,226.71 is: 52,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,727.13 : 87,907.56 = 38,226.71 : x
  2. Step 2: Convert to fraction form
    63,727.13/87,907.56 = 38,226.71/x
  3. Step 3: Cross multiply
    63,727.13x = 87,907.56 × 38,226.71
  4. Step 4: Simplify right side
    63,727.13x = 3,360,416,363.39
  5. Step 5: Solve for x
    x = 3,360,416,363.39/63,727.13
  6. Step 6: Final answer
    x = 52,731.33

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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.