Home / 73,685.84-110,436.33-31,516.43

Finding the Fourth Proportional to 73,685.84, 110,436.33 and 31,516.43

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Solution

The fourth proportional to 73,685.84, 110,436.33 and 31,516.43 is: 47,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.84 : 110,436.33 = 31,516.43 : x
  2. Step 2: Convert to fraction form
    73,685.84/110,436.33 = 31,516.43/x
  3. Step 3: Cross multiply
    73,685.84x = 110,436.33 × 31,516.43
  4. Step 4: Simplify right side
    73,685.84x = 3,480,558,863.90
  5. Step 5: Solve for x
    x = 3,480,558,863.90/73,685.84
  6. Step 6: Final answer
    x = 47,235.11

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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.