Home / 72,831.05-100,516.43-41,006.15

Finding the Fourth Proportional to 72,831.05, 100,516.43 and 41,006.15

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Solution

The fourth proportional to 72,831.05, 100,516.43 and 41,006.15 is: 56,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.05 : 100,516.43 = 41,006.15 : x
  2. Step 2: Convert to fraction form
    72,831.05/100,516.43 = 41,006.15/x
  3. Step 3: Cross multiply
    72,831.05x = 100,516.43 × 41,006.15
  4. Step 4: Simplify right side
    72,831.05x = 4,121,791,552.25
  5. Step 5: Solve for x
    x = 4,121,791,552.25/72,831.05
  6. Step 6: Final answer
    x = 56,593.88

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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.