Home / 70,553.15-105,864.33-33,116.28

Finding the Fourth Proportional to 70,553.15, 105,864.33 and 33,116.28

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Solution

The fourth proportional to 70,553.15, 105,864.33 and 33,116.28 is: 49,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.15 : 105,864.33 = 33,116.28 : x
  2. Step 2: Convert to fraction form
    70,553.15/105,864.33 = 33,116.28/x
  3. Step 3: Cross multiply
    70,553.15x = 105,864.33 × 33,116.28
  4. Step 4: Simplify right side
    70,553.15x = 3,505,832,794.29
  5. Step 5: Solve for x
    x = 3,505,832,794.29/70,553.15
  6. Step 6: Final answer
    x = 49,690.67

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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.