Home / 84,178.09-126,273.96-25,013.81

Finding the Fourth Proportional to 84,178.09, 126,273.96 and 25,013.81

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Solution

The fourth proportional to 84,178.09, 126,273.96 and 25,013.81 is: 37,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,178.09 : 126,273.96 = 25,013.81 : x
  2. Step 2: Convert to fraction form
    84,178.09/126,273.96 = 25,013.81/x
  3. Step 3: Cross multiply
    84,178.09x = 126,273.96 × 25,013.81
  4. Step 4: Simplify right side
    84,178.09x = 3,158,593,229.42
  5. Step 5: Solve for x
    x = 3,158,593,229.42/84,178.09
  6. Step 6: Final answer
    x = 37,522.75

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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.