Home / 100,842.90-151,067.52-61,301.94

Finding the Fourth Proportional to 100,842.90, 151,067.52 and 61,301.94

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Solution

The fourth proportional to 100,842.90, 151,067.52 and 61,301.94 is: 91,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,842.90 : 151,067.52 = 61,301.94 : x
  2. Step 2: Convert to fraction form
    100,842.90/151,067.52 = 61,301.94/x
  3. Step 3: Cross multiply
    100,842.90x = 151,067.52 × 61,301.94
  4. Step 4: Simplify right side
    100,842.90x = 9,260,732,046.99
  5. Step 5: Solve for x
    x = 9,260,732,046.99/100,842.90
  6. Step 6: Final answer
    x = 91,833.26

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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.