Home / 111,868.90-154,379.12-60,881.83

Finding the Fourth Proportional to 111,868.90, 154,379.12 and 60,881.83

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Solution

The fourth proportional to 111,868.90, 154,379.12 and 60,881.83 is: 84,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,868.90 : 154,379.12 = 60,881.83 : x
  2. Step 2: Convert to fraction form
    111,868.90/154,379.12 = 60,881.83/x
  3. Step 3: Cross multiply
    111,868.90x = 154,379.12 × 60,881.83
  4. Step 4: Simplify right side
    111,868.90x = 9,398,882,649.03
  5. Step 5: Solve for x
    x = 9,398,882,649.03/111,868.90
  6. Step 6: Final answer
    x = 84,016.94

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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.