Home / 111,842.92-154,340.94-60,856.66

Finding the Fourth Proportional to 111,842.92, 154,340.94 and 60,856.66

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Solution

The fourth proportional to 111,842.92, 154,340.94 and 60,856.66 is: 83,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,842.92 : 154,340.94 = 60,856.66 : x
  2. Step 2: Convert to fraction form
    111,842.92/154,340.94 = 60,856.66/x
  3. Step 3: Cross multiply
    111,842.92x = 154,340.94 × 60,856.66
  4. Step 4: Simplify right side
    111,842.92x = 9,392,674,109.66
  5. Step 5: Solve for x
    x = 9,392,674,109.66/111,842.92
  6. Step 6: Final answer
    x = 83,980.94

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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.