Home / 111,821.12-154,309.19-60,832.43

Finding the Fourth Proportional to 111,821.12, 154,309.19 and 60,832.43

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Solution

The fourth proportional to 111,821.12, 154,309.19 and 60,832.43 is: 83,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.12 : 154,309.19 = 60,832.43 : x
  2. Step 2: Convert to fraction form
    111,821.12/154,309.19 = 60,832.43/x
  3. Step 3: Cross multiply
    111,821.12x = 154,309.19 × 60,832.43
  4. Step 4: Simplify right side
    111,821.12x = 9,387,001,923.32
  5. Step 5: Solve for x
    x = 9,387,001,923.32/111,821.12
  6. Step 6: Final answer
    x = 83,946.60

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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.