Home / 95,420.65-142,912.97-45,535.78

Finding the Fourth Proportional to 95,420.65, 142,912.97 and 45,535.78

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Solution

The fourth proportional to 95,420.65, 142,912.97 and 45,535.78 is: 68,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,420.65 : 142,912.97 = 45,535.78 : x
  2. Step 2: Convert to fraction form
    95,420.65/142,912.97 = 45,535.78/x
  3. Step 3: Cross multiply
    95,420.65x = 142,912.97 × 45,535.78
  4. Step 4: Simplify right side
    95,420.65x = 6,507,652,846.50
  5. Step 5: Solve for x
    x = 6,507,652,846.50/95,420.65
  6. Step 6: Final answer
    x = 68,199.63

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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.