Home / 111,427.09-166,983.49-61,529.65

Finding the Fourth Proportional to 111,427.09, 166,983.49 and 61,529.65

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Solution

The fourth proportional to 111,427.09, 166,983.49 and 61,529.65 is: 92,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,427.09 : 166,983.49 = 61,529.65 : x
  2. Step 2: Convert to fraction form
    111,427.09/166,983.49 = 61,529.65/x
  3. Step 3: Cross multiply
    111,427.09x = 166,983.49 × 61,529.65
  4. Step 4: Simplify right side
    111,427.09x = 10,274,434,552.91
  5. Step 5: Solve for x
    x = 10,274,434,552.91/111,427.09
  6. Step 6: Final answer
    x = 92,207.69

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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.