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Finding the Fourth Proportional to 45,383.87, 68,066.81 and 43,133.47

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Solution

The fourth proportional to 45,383.87, 68,066.81 and 43,133.47 is: 64,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.87 : 68,066.81 = 43,133.47 : x
  2. Step 2: Convert to fraction form
    45,383.87/68,066.81 = 43,133.47/x
  3. Step 3: Cross multiply
    45,383.87x = 68,066.81 × 43,133.47
  4. Step 4: Simplify right side
    45,383.87x = 2,935,957,491.46
  5. Step 5: Solve for x
    x = 2,935,957,491.46/45,383.87
  6. Step 6: Final answer
    x = 64,691.65

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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.