Home / 73,105.20-100,890.90-41,277.60

Finding the Fourth Proportional to 73,105.20, 100,890.90 and 41,277.60

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Solution

The fourth proportional to 73,105.20, 100,890.90 and 41,277.60 is: 56,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,105.20 : 100,890.90 = 41,277.60 : x
  2. Step 2: Convert to fraction form
    73,105.20/100,890.90 = 41,277.60/x
  3. Step 3: Cross multiply
    73,105.20x = 100,890.90 × 41,277.60
  4. Step 4: Simplify right side
    73,105.20x = 4,164,534,213.84
  5. Step 5: Solve for x
    x = 4,164,534,213.84/73,105.20
  6. Step 6: Final answer
    x = 56,966.32

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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.