Home / 99,227.42-136,933.28-53,905.04

Finding the Fourth Proportional to 99,227.42, 136,933.28 and 53,905.04

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Solution

The fourth proportional to 99,227.42, 136,933.28 and 53,905.04 is: 74,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,227.42 : 136,933.28 = 53,905.04 : x
  2. Step 2: Convert to fraction form
    99,227.42/136,933.28 = 53,905.04/x
  3. Step 3: Cross multiply
    99,227.42x = 136,933.28 × 53,905.04
  4. Step 4: Simplify right side
    99,227.42x = 7,381,393,251.06
  5. Step 5: Solve for x
    x = 7,381,393,251.06/99,227.42
  6. Step 6: Final answer
    x = 74,388.65

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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.