Home / 92,592.36-138,079.19-82,386.36

Finding the Fourth Proportional to 92,592.36, 138,079.19 and 82,386.36

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Solution

The fourth proportional to 92,592.36, 138,079.19 and 82,386.36 is: 122,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,592.36 : 138,079.19 = 82,386.36 : x
  2. Step 2: Convert to fraction form
    92,592.36/138,079.19 = 82,386.36/x
  3. Step 3: Cross multiply
    92,592.36x = 138,079.19 × 82,386.36
  4. Step 4: Simplify right side
    92,592.36x = 11,375,841,855.85
  5. Step 5: Solve for x
    x = 11,375,841,855.85/92,592.36
  6. Step 6: Final answer
    x = 122,859.40

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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.