Home / 99,234.50-136,945.06-53,913.30

Finding the Fourth Proportional to 99,234.50, 136,945.06 and 53,913.30

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Solution

The fourth proportional to 99,234.50, 136,945.06 and 53,913.30 is: 74,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.50 : 136,945.06 = 53,913.30 : x
  2. Step 2: Convert to fraction form
    99,234.50/136,945.06 = 53,913.30/x
  3. Step 3: Cross multiply
    99,234.50x = 136,945.06 × 53,913.30
  4. Step 4: Simplify right side
    99,234.50x = 7,383,160,103.30
  5. Step 5: Solve for x
    x = 7,383,160,103.30/99,234.50
  6. Step 6: Final answer
    x = 74,401.14

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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.