Home / 50,912.18-70,257.75-28,250.99

Finding the Fourth Proportional to 50,912.18, 70,257.75 and 28,250.99

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Solution

The fourth proportional to 50,912.18, 70,257.75 and 28,250.99 is: 38,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.18 : 70,257.75 = 28,250.99 : x
  2. Step 2: Convert to fraction form
    50,912.18/70,257.75 = 28,250.99/x
  3. Step 3: Cross multiply
    50,912.18x = 70,257.75 × 28,250.99
  4. Step 4: Simplify right side
    50,912.18x = 1,984,850,641.38
  5. Step 5: Solve for x
    x = 1,984,850,641.38/50,912.18
  6. Step 6: Final answer
    x = 38,985.78

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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.