Home / 49,110.40-73,471.20-42,608.80

Finding the Fourth Proportional to 49,110.40, 73,471.20 and 42,608.80

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Solution

The fourth proportional to 49,110.40, 73,471.20 and 42,608.80 is: 63,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.40 : 73,471.20 = 42,608.80 : x
  2. Step 2: Convert to fraction form
    49,110.40/73,471.20 = 42,608.80/x
  3. Step 3: Cross multiply
    49,110.40x = 73,471.20 × 42,608.80
  4. Step 4: Simplify right side
    49,110.40x = 3,130,519,666.56
  5. Step 5: Solve for x
    x = 3,130,519,666.56/49,110.40
  6. Step 6: Final answer
    x = 63,744.54

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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.