Home / 75,174.75-103,740.21-41,182.83

Finding the Fourth Proportional to 75,174.75, 103,740.21 and 41,182.83

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Solution

The fourth proportional to 75,174.75, 103,740.21 and 41,182.83 is: 56,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,174.75 : 103,740.21 = 41,182.83 : x
  2. Step 2: Convert to fraction form
    75,174.75/103,740.21 = 41,182.83/x
  3. Step 3: Cross multiply
    75,174.75x = 103,740.21 × 41,182.83
  4. Step 4: Simplify right side
    75,174.75x = 4,272,315,432.59
  5. Step 5: Solve for x
    x = 4,272,315,432.59/75,174.75
  6. Step 6: Final answer
    x = 56,831.79

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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.