Home / 61,136.97-84,372.49-34,278.18

Finding the Fourth Proportional to 61,136.97, 84,372.49 and 34,278.18

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Solution

The fourth proportional to 61,136.97, 84,372.49 and 34,278.18 is: 47,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.97 : 84,372.49 = 34,278.18 : x
  2. Step 2: Convert to fraction form
    61,136.97/84,372.49 = 34,278.18/x
  3. Step 3: Cross multiply
    61,136.97x = 84,372.49 × 34,278.18
  4. Step 4: Simplify right side
    61,136.97x = 2,892,135,399.27
  5. Step 5: Solve for x
    x = 2,892,135,399.27/61,136.97
  6. Step 6: Final answer
    x = 47,305.83

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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.