Home / 82,395.90-123,593.49-35,003.72

Finding the Fourth Proportional to 82,395.90, 123,593.49 and 35,003.72

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Solution

The fourth proportional to 82,395.90, 123,593.49 and 35,003.72 is: 52,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.90 : 123,593.49 = 35,003.72 : x
  2. Step 2: Convert to fraction form
    82,395.90/123,593.49 = 35,003.72/x
  3. Step 3: Cross multiply
    82,395.90x = 123,593.49 × 35,003.72
  4. Step 4: Simplify right side
    82,395.90x = 4,326,231,742.76
  5. Step 5: Solve for x
    x = 4,326,231,742.76/82,395.90
  6. Step 6: Final answer
    x = 52,505.42

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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.