Home / 99,237.93-136,949.31-53,916.27

Finding the Fourth Proportional to 99,237.93, 136,949.31 and 53,916.27

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Solution

The fourth proportional to 99,237.93, 136,949.31 and 53,916.27 is: 74,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.93 : 136,949.31 = 53,916.27 : x
  2. Step 2: Convert to fraction form
    99,237.93/136,949.31 = 53,916.27/x
  3. Step 3: Cross multiply
    99,237.93x = 136,949.31 × 53,916.27
  4. Step 4: Simplify right side
    99,237.93x = 7,383,795,974.27
  5. Step 5: Solve for x
    x = 7,383,795,974.27/99,237.93
  6. Step 6: Final answer
    x = 74,404.98

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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.