Home / 74,467.74-111,719.82-40,717.46

Finding the Fourth Proportional to 74,467.74, 111,719.82 and 40,717.46

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Solution

The fourth proportional to 74,467.74, 111,719.82 and 40,717.46 is: 61,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,467.74 : 111,719.82 = 40,717.46 : x
  2. Step 2: Convert to fraction form
    74,467.74/111,719.82 = 40,717.46/x
  3. Step 3: Cross multiply
    74,467.74x = 111,719.82 × 40,717.46
  4. Step 4: Simplify right side
    74,467.74x = 4,548,947,302.06
  5. Step 5: Solve for x
    x = 4,548,947,302.06/74,467.74
  6. Step 6: Final answer
    x = 61,086.15

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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.