Home / 110,975.60-166,354.05-54,769.70

Finding the Fourth Proportional to 110,975.60, 166,354.05 and 54,769.70

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Solution

The fourth proportional to 110,975.60, 166,354.05 and 54,769.70 is: 82,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,975.60 : 166,354.05 = 54,769.70 : x
  2. Step 2: Convert to fraction form
    110,975.60/166,354.05 = 54,769.70/x
  3. Step 3: Cross multiply
    110,975.60x = 166,354.05 × 54,769.70
  4. Step 4: Simplify right side
    110,975.60x = 9,111,161,412.29
  5. Step 5: Solve for x
    x = 9,111,161,412.29/110,975.60
  6. Step 6: Final answer
    x = 82,100.58

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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.