Home / 92,665.49-137,806.11-89,713.04

Finding the Fourth Proportional to 92,665.49, 137,806.11 and 89,713.04

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Solution

The fourth proportional to 92,665.49, 137,806.11 and 89,713.04 is: 133,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,665.49 : 137,806.11 = 89,713.04 : x
  2. Step 2: Convert to fraction form
    92,665.49/137,806.11 = 89,713.04/x
  3. Step 3: Cross multiply
    92,665.49x = 137,806.11 × 89,713.04
  4. Step 4: Simplify right side
    92,665.49x = 12,363,004,369.64
  5. Step 5: Solve for x
    x = 12,363,004,369.64/92,665.49
  6. Step 6: Final answer
    x = 133,415.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.