Home / 74,781.44-112,172.85-22,190.93

Finding the Fourth Proportional to 74,781.44, 112,172.85 and 22,190.93

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Solution

The fourth proportional to 74,781.44, 112,172.85 and 22,190.93 is: 33,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.44 : 112,172.85 = 22,190.93 : x
  2. Step 2: Convert to fraction form
    74,781.44/112,172.85 = 22,190.93/x
  3. Step 3: Cross multiply
    74,781.44x = 112,172.85 × 22,190.93
  4. Step 4: Simplify right side
    74,781.44x = 2,489,219,862.25
  5. Step 5: Solve for x
    x = 2,489,219,862.25/74,781.44
  6. Step 6: Final answer
    x = 33,286.60

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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.