Home / 41,287.05-61,918.43-11,707.47

Finding the Fourth Proportional to 41,287.05, 61,918.43 and 11,707.47

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Solution

The fourth proportional to 41,287.05, 61,918.43 and 11,707.47 is: 17,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.05 : 61,918.43 = 11,707.47 : x
  2. Step 2: Convert to fraction form
    41,287.05/61,918.43 = 11,707.47/x
  3. Step 3: Cross multiply
    41,287.05x = 61,918.43 × 11,707.47
  4. Step 4: Simplify right side
    41,287.05x = 724,908,103.13
  5. Step 5: Solve for x
    x = 724,908,103.13/41,287.05
  6. Step 6: Final answer
    x = 17,557.76

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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.