Home / 85,998.24-129,003.30-36,028.13

Finding the Fourth Proportional to 85,998.24, 129,003.30 and 36,028.13

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Solution

The fourth proportional to 85,998.24, 129,003.30 and 36,028.13 is: 54,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,998.24 : 129,003.30 = 36,028.13 : x
  2. Step 2: Convert to fraction form
    85,998.24/129,003.30 = 36,028.13/x
  3. Step 3: Cross multiply
    85,998.24x = 129,003.30 × 36,028.13
  4. Step 4: Simplify right side
    85,998.24x = 4,647,747,017.81
  5. Step 5: Solve for x
    x = 4,647,747,017.81/85,998.24
  6. Step 6: Final answer
    x = 54,044.68

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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.