Home / 63,175.11-87,143.90-38,019.75

Finding the Fourth Proportional to 63,175.11, 87,143.90 and 38,019.75

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Solution

The fourth proportional to 63,175.11, 87,143.90 and 38,019.75 is: 52,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,175.11 : 87,143.90 = 38,019.75 : x
  2. Step 2: Convert to fraction form
    63,175.11/87,143.90 = 38,019.75/x
  3. Step 3: Cross multiply
    63,175.11x = 87,143.90 × 38,019.75
  4. Step 4: Simplify right side
    63,175.11x = 3,313,189,101.93
  5. Step 5: Solve for x
    x = 3,313,189,101.93/63,175.11
  6. Step 6: Final answer
    x = 52,444.53

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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.