Home / 64,021.24-95,954.10-45,306.78

Finding the Fourth Proportional to 64,021.24, 95,954.10 and 45,306.78

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Solution

The fourth proportional to 64,021.24, 95,954.10 and 45,306.78 is: 67,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.24 : 95,954.10 = 45,306.78 : x
  2. Step 2: Convert to fraction form
    64,021.24/95,954.10 = 45,306.78/x
  3. Step 3: Cross multiply
    64,021.24x = 95,954.10 × 45,306.78
  4. Step 4: Simplify right side
    64,021.24x = 4,347,371,298.80
  5. Step 5: Solve for x
    x = 4,347,371,298.80/64,021.24
  6. Step 6: Final answer
    x = 67,905.14

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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.