Home / 63,121.25-87,110.11-36,272.18

Finding the Fourth Proportional to 63,121.25, 87,110.11 and 36,272.18

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Solution

The fourth proportional to 63,121.25, 87,110.11 and 36,272.18 is: 50,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.25 : 87,110.11 = 36,272.18 : x
  2. Step 2: Convert to fraction form
    63,121.25/87,110.11 = 36,272.18/x
  3. Step 3: Cross multiply
    63,121.25x = 87,110.11 × 36,272.18
  4. Step 4: Simplify right side
    63,121.25x = 3,159,673,408.38
  5. Step 5: Solve for x
    x = 3,159,673,408.38/63,121.25
  6. Step 6: Final answer
    x = 50,057.21

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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.