Home / 91,182.70-136,780.62-35,022.84

Finding the Fourth Proportional to 91,182.70, 136,780.62 and 35,022.84

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Solution

The fourth proportional to 91,182.70, 136,780.62 and 35,022.84 is: 52,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.70 : 136,780.62 = 35,022.84 : x
  2. Step 2: Convert to fraction form
    91,182.70/136,780.62 = 35,022.84/x
  3. Step 3: Cross multiply
    91,182.70x = 136,780.62 × 35,022.84
  4. Step 4: Simplify right side
    91,182.70x = 4,790,445,769.36
  5. Step 5: Solve for x
    x = 4,790,445,769.36/91,182.70
  6. Step 6: Final answer
    x = 52,536.78

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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.