Home / 74,062.74-111,044.88-40,798.56

Finding the Fourth Proportional to 74,062.74, 111,044.88 and 40,798.56

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Solution

The fourth proportional to 74,062.74, 111,044.88 and 40,798.56 is: 61,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.74 : 111,044.88 = 40,798.56 : x
  2. Step 2: Convert to fraction form
    74,062.74/111,044.88 = 40,798.56/x
  3. Step 3: Cross multiply
    74,062.74x = 111,044.88 × 40,798.56
  4. Step 4: Simplify right side
    74,062.74x = 4,530,471,199.37
  5. Step 5: Solve for x
    x = 4,530,471,199.37/74,062.74
  6. Step 6: Final answer
    x = 61,170.72

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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.