Home / 111,929.92-154,463.66-60,943.08

Finding the Fourth Proportional to 111,929.92, 154,463.66 and 60,943.08

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Solution

The fourth proportional to 111,929.92, 154,463.66 and 60,943.08 is: 84,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.92 : 154,463.66 = 60,943.08 : x
  2. Step 2: Convert to fraction form
    111,929.92/154,463.66 = 60,943.08/x
  3. Step 3: Cross multiply
    111,929.92x = 154,463.66 × 60,943.08
  4. Step 4: Simplify right side
    111,929.92x = 9,413,491,188.47
  5. Step 5: Solve for x
    x = 9,413,491,188.47/111,929.92
  6. Step 6: Final answer
    x = 84,101.65

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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.