Home / 99,241.38-136,953.30-53,918.94

Finding the Fourth Proportional to 99,241.38, 136,953.30 and 53,918.94

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Solution

The fourth proportional to 99,241.38, 136,953.30 and 53,918.94 is: 74,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,241.38 : 136,953.30 = 53,918.94 : x
  2. Step 2: Convert to fraction form
    99,241.38/136,953.30 = 53,918.94/x
  3. Step 3: Cross multiply
    99,241.38x = 136,953.30 × 53,918.94
  4. Step 4: Simplify right side
    99,241.38x = 7,384,376,765.50
  5. Step 5: Solve for x
    x = 7,384,376,765.50/99,241.38
  6. Step 6: Final answer
    x = 74,408.24

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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.