Home / 51,160.82-70,603.25-28,191.44

Finding the Fourth Proportional to 51,160.82, 70,603.25 and 28,191.44

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Solution

The fourth proportional to 51,160.82, 70,603.25 and 28,191.44 is: 38,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,160.82 : 70,603.25 = 28,191.44 : x
  2. Step 2: Convert to fraction form
    51,160.82/70,603.25 = 28,191.44/x
  3. Step 3: Cross multiply
    51,160.82x = 70,603.25 × 28,191.44
  4. Step 4: Simplify right side
    51,160.82x = 1,990,407,321.73
  5. Step 5: Solve for x
    x = 1,990,407,321.73/51,160.82
  6. Step 6: Final answer
    x = 38,904.92

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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.