Home / 74,138.04-111,206.13-29,764.02

Finding the Fourth Proportional to 74,138.04, 111,206.13 and 29,764.02

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Solution

The fourth proportional to 74,138.04, 111,206.13 and 29,764.02 is: 44,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,138.04 : 111,206.13 = 29,764.02 : x
  2. Step 2: Convert to fraction form
    74,138.04/111,206.13 = 29,764.02/x
  3. Step 3: Cross multiply
    74,138.04x = 111,206.13 × 29,764.02
  4. Step 4: Simplify right side
    74,138.04x = 3,309,941,477.44
  5. Step 5: Solve for x
    x = 3,309,941,477.44/74,138.04
  6. Step 6: Final answer
    x = 44,645.66

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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.