Home / 75,729.45-104,502.38-41,737.83

Finding the Fourth Proportional to 75,729.45, 104,502.38 and 41,737.83

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Solution

The fourth proportional to 75,729.45, 104,502.38 and 41,737.83 is: 57,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.45 : 104,502.38 = 41,737.83 : x
  2. Step 2: Convert to fraction form
    75,729.45/104,502.38 = 41,737.83/x
  3. Step 3: Cross multiply
    75,729.45x = 104,502.38 × 41,737.83
  4. Step 4: Simplify right side
    75,729.45x = 4,361,702,571.04
  5. Step 5: Solve for x
    x = 4,361,702,571.04/75,729.45
  6. Step 6: Final answer
    x = 57,595.86

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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.