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Finding the Fourth Proportional to 51,222.99, 76,862.01 and 49,359.03

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Solution

The fourth proportional to 51,222.99, 76,862.01 and 49,359.03 is: 74,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.99 : 76,862.01 = 49,359.03 : x
  2. Step 2: Convert to fraction form
    51,222.99/76,862.01 = 49,359.03/x
  3. Step 3: Cross multiply
    51,222.99x = 76,862.01 × 49,359.03
  4. Step 4: Simplify right side
    51,222.99x = 3,793,834,257.45
  5. Step 5: Solve for x
    x = 3,793,834,257.45/51,222.99
  6. Step 6: Final answer
    x = 74,065.07

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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.