Home / 54,913.50-75,780.90-29,763

Finding the Fourth Proportional to 54,913.50, 75,780.90 and 29,763

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Solution

The fourth proportional to 54,913.50, 75,780.90 and 29,763 is: 41,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.50 : 75,780.90 = 29,763 : x
  2. Step 2: Convert to fraction form
    54,913.50/75,780.90 = 29,763/x
  3. Step 3: Cross multiply
    54,913.50x = 75,780.90 × 29,763
  4. Step 4: Simplify right side
    54,913.50x = 2,255,466,926.70
  5. Step 5: Solve for x
    x = 2,255,466,926.70/54,913.50
  6. Step 6: Final answer
    x = 41,073.09

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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.