Home / 87,662.01-120,917.47-60,794.71

Finding the Fourth Proportional to 87,662.01, 120,917.47 and 60,794.71

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Solution

The fourth proportional to 87,662.01, 120,917.47 and 60,794.71 is: 83,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662.01 : 120,917.47 = 60,794.71 : x
  2. Step 2: Convert to fraction form
    87,662.01/120,917.47 = 60,794.71/x
  3. Step 3: Cross multiply
    87,662.01x = 120,917.47 × 60,794.71
  4. Step 4: Simplify right side
    87,662.01x = 7,351,142,607.87
  5. Step 5: Solve for x
    x = 7,351,142,607.87/87,662.01
  6. Step 6: Final answer
    x = 83,857.80

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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.