Home / 70,786.16-106,140.78-35,169.38

Finding the Fourth Proportional to 70,786.16, 106,140.78 and 35,169.38

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Solution

The fourth proportional to 70,786.16, 106,140.78 and 35,169.38 is: 52,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,786.16 : 106,140.78 = 35,169.38 : x
  2. Step 2: Convert to fraction form
    70,786.16/106,140.78 = 35,169.38/x
  3. Step 3: Cross multiply
    70,786.16x = 106,140.78 × 35,169.38
  4. Step 4: Simplify right side
    70,786.16x = 3,732,905,425.32
  5. Step 5: Solve for x
    x = 3,732,905,425.32/70,786.16
  6. Step 6: Final answer
    x = 52,734.96

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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.