Home / 101,974.07-152,633.56-54,470.38

Finding the Fourth Proportional to 101,974.07, 152,633.56 and 54,470.38

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Solution

The fourth proportional to 101,974.07, 152,633.56 and 54,470.38 is: 81,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,974.07 : 152,633.56 = 54,470.38 : x
  2. Step 2: Convert to fraction form
    101,974.07/152,633.56 = 54,470.38/x
  3. Step 3: Cross multiply
    101,974.07x = 152,633.56 × 54,470.38
  4. Step 4: Simplify right side
    101,974.07x = 8,314,007,700.46
  5. Step 5: Solve for x
    x = 8,314,007,700.46/101,974.07
  6. Step 6: Final answer
    x = 81,530.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.