Home / 74,048.79-111,005.06-40,265.46

Finding the Fourth Proportional to 74,048.79, 111,005.06 and 40,265.46

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Solution

The fourth proportional to 74,048.79, 111,005.06 and 40,265.46 is: 60,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.79 : 111,005.06 = 40,265.46 : x
  2. Step 2: Convert to fraction form
    74,048.79/111,005.06 = 40,265.46/x
  3. Step 3: Cross multiply
    74,048.79x = 111,005.06 × 40,265.46
  4. Step 4: Simplify right side
    74,048.79x = 4,469,669,601.90
  5. Step 5: Solve for x
    x = 4,469,669,601.90/74,048.79
  6. Step 6: Final answer
    x = 60,361.14

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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.