Home / 75,183.91-112,740.55-43,602.95

Finding the Fourth Proportional to 75,183.91, 112,740.55 and 43,602.95

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Solution

The fourth proportional to 75,183.91, 112,740.55 and 43,602.95 is: 65,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,183.91 : 112,740.55 = 43,602.95 : x
  2. Step 2: Convert to fraction form
    75,183.91/112,740.55 = 43,602.95/x
  3. Step 3: Cross multiply
    75,183.91x = 112,740.55 × 43,602.95
  4. Step 4: Simplify right side
    75,183.91x = 4,915,820,564.62
  5. Step 5: Solve for x
    x = 4,915,820,564.62/75,183.91
  6. Step 6: Final answer
    x = 65,383.94

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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.