Home / 75,185.02-103,755.32-41,194.78

Finding the Fourth Proportional to 75,185.02, 103,755.32 and 41,194.78

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Solution

The fourth proportional to 75,185.02, 103,755.32 and 41,194.78 is: 56,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.02 : 103,755.32 = 41,194.78 : x
  2. Step 2: Convert to fraction form
    75,185.02/103,755.32 = 41,194.78/x
  3. Step 3: Cross multiply
    75,185.02x = 103,755.32 × 41,194.78
  4. Step 4: Simplify right side
    75,185.02x = 4,274,177,581.23
  5. Step 5: Solve for x
    x = 4,274,177,581.23/75,185.02
  6. Step 6: Final answer
    x = 56,848.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.