Home / 74,022.80-111,034.20-51,861.20

Finding the Fourth Proportional to 74,022.80, 111,034.20 and 51,861.20

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Solution

The fourth proportional to 74,022.80, 111,034.20 and 51,861.20 is: 77,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.80 : 111,034.20 = 51,861.20 : x
  2. Step 2: Convert to fraction form
    74,022.80/111,034.20 = 51,861.20/x
  3. Step 3: Cross multiply
    74,022.80x = 111,034.20 × 51,861.20
  4. Step 4: Simplify right side
    74,022.80x = 5,758,366,853.04
  5. Step 5: Solve for x
    x = 5,758,366,853.04/74,022.80
  6. Step 6: Final answer
    x = 77,791.80

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1.5x scale

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.