Home / 63,618.96-87,780.24-38,467.92

Finding the Fourth Proportional to 63,618.96, 87,780.24 and 38,467.92

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Solution

The fourth proportional to 63,618.96, 87,780.24 and 38,467.92 is: 53,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.96 : 87,780.24 = 38,467.92 : x
  2. Step 2: Convert to fraction form
    63,618.96/87,780.24 = 38,467.92/x
  3. Step 3: Cross multiply
    63,618.96x = 87,780.24 × 38,467.92
  4. Step 4: Simplify right side
    63,618.96x = 3,376,723,249.90
  5. Step 5: Solve for x
    x = 3,376,723,249.90/63,618.96
  6. Step 6: Final answer
    x = 53,077.31

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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.