Home / 40,899.68-61,350.89-11,315.04

Finding the Fourth Proportional to 40,899.68, 61,350.89 and 11,315.04

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Solution

The fourth proportional to 40,899.68, 61,350.89 and 11,315.04 is: 16,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.68 : 61,350.89 = 11,315.04 : x
  2. Step 2: Convert to fraction form
    40,899.68/61,350.89 = 11,315.04/x
  3. Step 3: Cross multiply
    40,899.68x = 61,350.89 × 11,315.04
  4. Step 4: Simplify right side
    40,899.68x = 694,187,746.10
  5. Step 5: Solve for x
    x = 694,187,746.10/40,899.68
  6. Step 6: Final answer
    x = 16,972.94

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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.