Home / 121,122.04-181,712.14-38,016.04

Finding the Fourth Proportional to 121,122.04, 181,712.14 and 38,016.04

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Solution

The fourth proportional to 121,122.04, 181,712.14 and 38,016.04 is: 57,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,122.04 : 181,712.14 = 38,016.04 : x
  2. Step 2: Convert to fraction form
    121,122.04/181,712.14 = 38,016.04/x
  3. Step 3: Cross multiply
    121,122.04x = 181,712.14 × 38,016.04
  4. Step 4: Simplify right side
    121,122.04x = 6,907,975,982.73
  5. Step 5: Solve for x
    x = 6,907,975,982.73/121,122.04
  6. Step 6: Final answer
    x = 57,033.19

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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.