Home / 99,086.22-136,717.47-58,813.29

Finding the Fourth Proportional to 99,086.22, 136,717.47 and 58,813.29

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Solution

The fourth proportional to 99,086.22, 136,717.47 and 58,813.29 is: 81,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,086.22 : 136,717.47 = 58,813.29 : x
  2. Step 2: Convert to fraction form
    99,086.22/136,717.47 = 58,813.29/x
  3. Step 3: Cross multiply
    99,086.22x = 136,717.47 × 58,813.29
  4. Step 4: Simplify right side
    99,086.22x = 8,040,804,211.18
  5. Step 5: Solve for x
    x = 8,040,804,211.18/99,086.22
  6. Step 6: Final answer
    x = 81,149.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.