Home / 81,937.86-122,906.78-46,852.92

Finding the Fourth Proportional to 81,937.86, 122,906.78 and 46,852.92

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Solution

The fourth proportional to 81,937.86, 122,906.78 and 46,852.92 is: 70,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,937.86 : 122,906.78 = 46,852.92 : x
  2. Step 2: Convert to fraction form
    81,937.86/122,906.78 = 46,852.92/x
  3. Step 3: Cross multiply
    81,937.86x = 122,906.78 × 46,852.92
  4. Step 4: Simplify right side
    81,937.86x = 5,758,541,530.80
  5. Step 5: Solve for x
    x = 5,758,541,530.80/81,937.86
  6. Step 6: Final answer
    x = 70,279.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.