Home / 43,257.65-64,898.01-13,676.04

Finding the Fourth Proportional to 43,257.65, 64,898.01 and 13,676.04

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Solution

The fourth proportional to 43,257.65, 64,898.01 and 13,676.04 is: 20,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.65 : 64,898.01 = 13,676.04 : x
  2. Step 2: Convert to fraction form
    43,257.65/64,898.01 = 13,676.04/x
  3. Step 3: Cross multiply
    43,257.65x = 64,898.01 × 13,676.04
  4. Step 4: Simplify right side
    43,257.65x = 887,547,780.68
  5. Step 5: Solve for x
    x = 887,547,780.68/43,257.65
  6. Step 6: Final answer
    x = 20,517.71

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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.