Home / 92,599.19-138,721.29-55,045.56

Finding the Fourth Proportional to 92,599.19, 138,721.29 and 55,045.56

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Solution

The fourth proportional to 92,599.19, 138,721.29 and 55,045.56 is: 82,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,599.19 : 138,721.29 = 55,045.56 : x
  2. Step 2: Convert to fraction form
    92,599.19/138,721.29 = 55,045.56/x
  3. Step 3: Cross multiply
    92,599.19x = 138,721.29 × 55,045.56
  4. Step 4: Simplify right side
    92,599.19x = 7,635,991,091.97
  5. Step 5: Solve for x
    x = 7,635,991,091.97/92,599.19
  6. Step 6: Final answer
    x = 82,462.83

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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.