Home / 111,910.90-154,440.40-60,926.96

Finding the Fourth Proportional to 111,910.90, 154,440.40 and 60,926.96

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Solution

The fourth proportional to 111,910.90, 154,440.40 and 60,926.96 is: 84,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,910.90 : 154,440.40 = 60,926.96 : x
  2. Step 2: Convert to fraction form
    111,910.90/154,440.40 = 60,926.96/x
  3. Step 3: Cross multiply
    111,910.90x = 154,440.40 × 60,926.96
  4. Step 4: Simplify right side
    111,910.90x = 9,409,584,073.18
  5. Step 5: Solve for x
    x = 9,409,584,073.18/111,910.90
  6. Step 6: Final answer
    x = 84,081.03

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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.