Home / 72,831.21-100,516.65-41,006.31

Finding the Fourth Proportional to 72,831.21, 100,516.65 and 41,006.31

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Solution

The fourth proportional to 72,831.21, 100,516.65 and 41,006.31 is: 56,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.21 : 100,516.65 = 41,006.31 : x
  2. Step 2: Convert to fraction form
    72,831.21/100,516.65 = 41,006.31/x
  3. Step 3: Cross multiply
    72,831.21x = 100,516.65 × 41,006.31
  4. Step 4: Simplify right side
    72,831.21x = 4,121,816,202.45
  5. Step 5: Solve for x
    x = 4,121,816,202.45/72,831.21
  6. Step 6: Final answer
    x = 56,594.10

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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.