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Finding the Fourth Proportional to 71,366.40, 107,214.84 and 44,795.16

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Solution

The fourth proportional to 71,366.40, 107,214.84 and 44,795.16 is: 67,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.40 : 107,214.84 = 44,795.16 : x
  2. Step 2: Convert to fraction form
    71,366.40/107,214.84 = 44,795.16/x
  3. Step 3: Cross multiply
    71,366.40x = 107,214.84 × 44,795.16
  4. Step 4: Simplify right side
    71,366.40x = 4,802,705,912.17
  5. Step 5: Solve for x
    x = 4,802,705,912.17/71,366.40
  6. Step 6: Final answer
    x = 67,296.46

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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.