Home / 72,831.71-100,517.34-41,006.81

Finding the Fourth Proportional to 72,831.71, 100,517.34 and 41,006.81

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Solution

The fourth proportional to 72,831.71, 100,517.34 and 41,006.81 is: 56,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.71 : 100,517.34 = 41,006.81 : x
  2. Step 2: Convert to fraction form
    72,831.71/100,517.34 = 41,006.81/x
  3. Step 3: Cross multiply
    72,831.71x = 100,517.34 × 41,006.81
  4. Step 4: Simplify right side
    72,831.71x = 4,121,895,463.09
  5. Step 5: Solve for x
    x = 4,121,895,463.09/72,831.71
  6. Step 6: Final answer
    x = 56,594.79

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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.