Home / 61,786.14-85,273.96-39,127.20

Finding the Fourth Proportional to 61,786.14, 85,273.96 and 39,127.20

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Solution

The fourth proportional to 61,786.14, 85,273.96 and 39,127.20 is: 54,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.14 : 85,273.96 = 39,127.20 : x
  2. Step 2: Convert to fraction form
    61,786.14/85,273.96 = 39,127.20/x
  3. Step 3: Cross multiply
    61,786.14x = 85,273.96 × 39,127.20
  4. Step 4: Simplify right side
    61,786.14x = 3,336,531,287.71
  5. Step 5: Solve for x
    x = 3,336,531,287.71/61,786.14
  6. Step 6: Final answer
    x = 54,001.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.