Home / 71,688.06-107,534.49-55,073.34

Finding the Fourth Proportional to 71,688.06, 107,534.49 and 55,073.34

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Solution

The fourth proportional to 71,688.06, 107,534.49 and 55,073.34 is: 82,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,688.06 : 107,534.49 = 55,073.34 : x
  2. Step 2: Convert to fraction form
    71,688.06/107,534.49 = 55,073.34/x
  3. Step 3: Cross multiply
    71,688.06x = 107,534.49 × 55,073.34
  4. Step 4: Simplify right side
    71,688.06x = 5,922,283,529.50
  5. Step 5: Solve for x
    x = 5,922,283,529.50/71,688.06
  6. Step 6: Final answer
    x = 82,611.85

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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.