Home / 101,769.97-152,623.86-70,381.75

Finding the Fourth Proportional to 101,769.97, 152,623.86 and 70,381.75

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Solution

The fourth proportional to 101,769.97, 152,623.86 and 70,381.75 is: 105,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,769.97 : 152,623.86 = 70,381.75 : x
  2. Step 2: Convert to fraction form
    101,769.97/152,623.86 = 70,381.75/x
  3. Step 3: Cross multiply
    101,769.97x = 152,623.86 × 70,381.75
  4. Step 4: Simplify right side
    101,769.97x = 10,741,934,358.56
  5. Step 5: Solve for x
    x = 10,741,934,358.56/101,769.97
  6. Step 6: Final answer
    x = 105,551.12

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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.