Home / 74,154.72-111,162.96-37,175.52

Finding the Fourth Proportional to 74,154.72, 111,162.96 and 37,175.52

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Solution

The fourth proportional to 74,154.72, 111,162.96 and 37,175.52 is: 55,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.72 : 111,162.96 = 37,175.52 : x
  2. Step 2: Convert to fraction form
    74,154.72/111,162.96 = 37,175.52/x
  3. Step 3: Cross multiply
    74,154.72x = 111,162.96 × 37,175.52
  4. Step 4: Simplify right side
    74,154.72x = 4,132,540,842.74
  5. Step 5: Solve for x
    x = 4,132,540,842.74/74,154.72
  6. Step 6: Final answer
    x = 55,728.63

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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.