Home / 99,183.98-136,874.19-53,862.72

Finding the Fourth Proportional to 99,183.98, 136,874.19 and 53,862.72

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Solution

The fourth proportional to 99,183.98, 136,874.19 and 53,862.72 is: 74,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.98 : 136,874.19 = 53,862.72 : x
  2. Step 2: Convert to fraction form
    99,183.98/136,874.19 = 53,862.72/x
  3. Step 3: Cross multiply
    99,183.98x = 136,874.19 × 53,862.72
  4. Step 4: Simplify right side
    99,183.98x = 7,372,416,171.20
  5. Step 5: Solve for x
    x = 7,372,416,171.20/99,183.98
  6. Step 6: Final answer
    x = 74,330.72

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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.