Home / 99,227.91-136,933.97-53,905.53

Finding the Fourth Proportional to 99,227.91, 136,933.97 and 53,905.53

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Solution

The fourth proportional to 99,227.91, 136,933.97 and 53,905.53 is: 74,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,227.91 : 136,933.97 = 53,905.53 : x
  2. Step 2: Convert to fraction form
    99,227.91/136,933.97 = 53,905.53/x
  3. Step 3: Cross multiply
    99,227.91x = 136,933.97 × 53,905.53
  4. Step 4: Simplify right side
    99,227.91x = 7,381,498,227.85
  5. Step 5: Solve for x
    x = 7,381,498,227.85/99,227.91
  6. Step 6: Final answer
    x = 74,389.33

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1.5x scale

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.