Home / 74,834.66-112,192.38-43,208.85

Finding the Fourth Proportional to 74,834.66, 112,192.38 and 43,208.85

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Solution

The fourth proportional to 74,834.66, 112,192.38 and 43,208.85 is: 64,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.66 : 112,192.38 = 43,208.85 : x
  2. Step 2: Convert to fraction form
    74,834.66/112,192.38 = 43,208.85/x
  3. Step 3: Cross multiply
    74,834.66x = 112,192.38 × 43,208.85
  4. Step 4: Simplify right side
    74,834.66x = 4,847,703,265.62
  5. Step 5: Solve for x
    x = 4,847,703,265.62/74,834.66
  6. Step 6: Final answer
    x = 64,778.85

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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.