Home / 75,822.86-104,635.90-41,831.76

Finding the Fourth Proportional to 75,822.86, 104,635.90 and 41,831.76

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Solution

The fourth proportional to 75,822.86, 104,635.90 and 41,831.76 is: 57,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,822.86 : 104,635.90 = 41,831.76 : x
  2. Step 2: Convert to fraction form
    75,822.86/104,635.90 = 41,831.76/x
  3. Step 3: Cross multiply
    75,822.86x = 104,635.90 × 41,831.76
  4. Step 4: Simplify right side
    75,822.86x = 4,377,103,856.18
  5. Step 5: Solve for x
    x = 4,377,103,856.18/75,822.86
  6. Step 6: Final answer
    x = 57,728.02

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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.