Home / 92,048.04-137,869.68-76,072.02

Finding the Fourth Proportional to 92,048.04, 137,869.68 and 76,072.02

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Solution

The fourth proportional to 92,048.04, 137,869.68 and 76,072.02 is: 113,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,048.04 : 137,869.68 = 76,072.02 : x
  2. Step 2: Convert to fraction form
    92,048.04/137,869.68 = 76,072.02/x
  3. Step 3: Cross multiply
    92,048.04x = 137,869.68 × 76,072.02
  4. Step 4: Simplify right side
    92,048.04x = 10,488,025,054.35
  5. Step 5: Solve for x
    x = 10,488,025,054.35/92,048.04
  6. Step 6: Final answer
    x = 113,940.78

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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.