Home / 74,371.72-111,581.88-29,975.62

Finding the Fourth Proportional to 74,371.72, 111,581.88 and 29,975.62

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Solution

The fourth proportional to 74,371.72, 111,581.88 and 29,975.62 is: 44,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,371.72 : 111,581.88 = 29,975.62 : x
  2. Step 2: Convert to fraction form
    74,371.72/111,581.88 = 29,975.62/x
  3. Step 3: Cross multiply
    74,371.72x = 111,581.88 × 29,975.62
  4. Step 4: Simplify right side
    74,371.72x = 3,344,736,033.77
  5. Step 5: Solve for x
    x = 3,344,736,033.77/74,371.72
  6. Step 6: Final answer
    x = 44,973.22

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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.