Home / 74,782.80-112,174.24-22,191.82

Finding the Fourth Proportional to 74,782.80, 112,174.24 and 22,191.82

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Solution

The fourth proportional to 74,782.80, 112,174.24 and 22,191.82 is: 33,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,782.80 : 112,174.24 = 22,191.82 : x
  2. Step 2: Convert to fraction form
    74,782.80/112,174.24 = 22,191.82/x
  3. Step 3: Cross multiply
    74,782.80x = 112,174.24 × 22,191.82
  4. Step 4: Simplify right side
    74,782.80x = 2,489,350,542.72
  5. Step 5: Solve for x
    x = 2,489,350,542.72/74,782.80
  6. Step 6: Final answer
    x = 33,287.74

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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.