Home / 99,085.11-136,676.94-58,771.86

Finding the Fourth Proportional to 99,085.11, 136,676.94 and 58,771.86

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Solution

The fourth proportional to 99,085.11, 136,676.94 and 58,771.86 is: 81,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,085.11 : 136,676.94 = 58,771.86 : x
  2. Step 2: Convert to fraction form
    99,085.11/136,676.94 = 58,771.86/x
  3. Step 3: Cross multiply
    99,085.11x = 136,676.94 × 58,771.86
  4. Step 4: Simplify right side
    99,085.11x = 8,032,757,982.91
  5. Step 5: Solve for x
    x = 8,032,757,982.91/99,085.11
  6. Step 6: Final answer
    x = 81,069.27

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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.