Home / 50,755.18-76,132.44-39,671.20

Finding the Fourth Proportional to 50,755.18, 76,132.44 and 39,671.20

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Solution

The fourth proportional to 50,755.18, 76,132.44 and 39,671.20 is: 59,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.18 : 76,132.44 = 39,671.20 : x
  2. Step 2: Convert to fraction form
    50,755.18/76,132.44 = 39,671.20/x
  3. Step 3: Cross multiply
    50,755.18x = 76,132.44 × 39,671.20
  4. Step 4: Simplify right side
    50,755.18x = 3,020,265,253.73
  5. Step 5: Solve for x
    x = 3,020,265,253.73/50,755.18
  6. Step 6: Final answer
    x = 59,506.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.