Home / 92,048.68-138,333.03-54,615.79

Finding the Fourth Proportional to 92,048.68, 138,333.03 and 54,615.79

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Solution

The fourth proportional to 92,048.68, 138,333.03 and 54,615.79 is: 82,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,048.68 : 138,333.03 = 54,615.79 : x
  2. Step 2: Convert to fraction form
    92,048.68/138,333.03 = 54,615.79/x
  3. Step 3: Cross multiply
    92,048.68x = 138,333.03 × 54,615.79
  4. Step 4: Simplify right side
    92,048.68x = 7,555,167,716.54
  5. Step 5: Solve for x
    x = 7,555,167,716.54/92,048.68
  6. Step 6: Final answer
    x = 82,077.96

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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.