Home / 99,234.73-136,943.34-53,912.35

Finding the Fourth Proportional to 99,234.73, 136,943.34 and 53,912.35

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Solution

The fourth proportional to 99,234.73, 136,943.34 and 53,912.35 is: 74,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.73 : 136,943.34 = 53,912.35 : x
  2. Step 2: Convert to fraction form
    99,234.73/136,943.34 = 53,912.35/x
  3. Step 3: Cross multiply
    99,234.73x = 136,943.34 × 53,912.35
  4. Step 4: Simplify right side
    99,234.73x = 7,382,936,591.53
  5. Step 5: Solve for x
    x = 7,382,936,591.53/99,234.73
  6. Step 6: Final answer
    x = 74,398.72

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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.