Home / 75,729.11-104,505.62-41,737.61

Finding the Fourth Proportional to 75,729.11, 104,505.62 and 41,737.61

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Solution

The fourth proportional to 75,729.11, 104,505.62 and 41,737.61 is: 57,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.11 : 104,505.62 = 41,737.61 : x
  2. Step 2: Convert to fraction form
    75,729.11/104,505.62 = 41,737.61/x
  3. Step 3: Cross multiply
    75,729.11x = 104,505.62 × 41,737.61
  4. Step 4: Simplify right side
    75,729.11x = 4,361,814,079.15
  5. Step 5: Solve for x
    x = 4,361,814,079.15/75,729.11
  6. Step 6: Final answer
    x = 57,597.59

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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.