Home / 111,606.43-154,018-60,619.65

Finding the Fourth Proportional to 111,606.43, 154,018 and 60,619.65

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Solution

The fourth proportional to 111,606.43, 154,018 and 60,619.65 is: 83,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.43 : 154,018 = 60,619.65 : x
  2. Step 2: Convert to fraction form
    111,606.43/154,018 = 60,619.65/x
  3. Step 3: Cross multiply
    111,606.43x = 154,018 × 60,619.65
  4. Step 4: Simplify right side
    111,606.43x = 9,336,517,253.70
  5. Step 5: Solve for x
    x = 9,336,517,253.70/111,606.43
  6. Step 6: Final answer
    x = 83,655.73

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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.