Home / 107,678.97-161,554.41-47,699.29

Finding the Fourth Proportional to 107,678.97, 161,554.41 and 47,699.29

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Solution

The fourth proportional to 107,678.97, 161,554.41 and 47,699.29 is: 71,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,678.97 : 161,554.41 = 47,699.29 : x
  2. Step 2: Convert to fraction form
    107,678.97/161,554.41 = 47,699.29/x
  3. Step 3: Cross multiply
    107,678.97x = 161,554.41 × 47,699.29
  4. Step 4: Simplify right side
    107,678.97x = 7,706,030,772.62
  5. Step 5: Solve for x
    x = 7,706,030,772.62/107,678.97
  6. Step 6: Final answer
    x = 71,564.87

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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.