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Finding the Fourth Proportional to 64,263.74, 96,227.94 and 51,715.22

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Solution

The fourth proportional to 64,263.74, 96,227.94 and 51,715.22 is: 77,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.74 : 96,227.94 = 51,715.22 : x
  2. Step 2: Convert to fraction form
    64,263.74/96,227.94 = 51,715.22/x
  3. Step 3: Cross multiply
    64,263.74x = 96,227.94 × 51,715.22
  4. Step 4: Simplify right side
    64,263.74x = 4,976,449,087.25
  5. Step 5: Solve for x
    x = 4,976,449,087.25/64,263.74
  6. Step 6: Final answer
    x = 77,437.90

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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.