Home / 121,731.40-182,616.54-41,760.28

Finding the Fourth Proportional to 121,731.40, 182,616.54 and 41,760.28

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Solution

The fourth proportional to 121,731.40, 182,616.54 and 41,760.28 is: 62,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,731.40 : 182,616.54 = 41,760.28 : x
  2. Step 2: Convert to fraction form
    121,731.40/182,616.54 = 41,760.28/x
  3. Step 3: Cross multiply
    121,731.40x = 182,616.54 × 41,760.28
  4. Step 4: Simplify right side
    121,731.40x = 7,626,117,843.03
  5. Step 5: Solve for x
    x = 7,626,117,843.03/121,731.40
  6. Step 6: Final answer
    x = 62,647.09

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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.