Home / 74,132.70-111,199.05-36,698.55

Finding the Fourth Proportional to 74,132.70, 111,199.05 and 36,698.55

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Solution

The fourth proportional to 74,132.70, 111,199.05 and 36,698.55 is: 55,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.70 : 111,199.05 = 36,698.55 : x
  2. Step 2: Convert to fraction form
    74,132.70/111,199.05 = 36,698.55/x
  3. Step 3: Cross multiply
    74,132.70x = 111,199.05 × 36,698.55
  4. Step 4: Simplify right side
    74,132.70x = 4,080,843,896.38
  5. Step 5: Solve for x
    x = 4,080,843,896.38/74,132.70
  6. Step 6: Final answer
    x = 55,047.83

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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.