Home / 87,762.44-121,105.50-49,525.54

Finding the Fourth Proportional to 87,762.44, 121,105.50 and 49,525.54

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Solution

The fourth proportional to 87,762.44, 121,105.50 and 49,525.54 is: 68,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.44 : 121,105.50 = 49,525.54 : x
  2. Step 2: Convert to fraction form
    87,762.44/121,105.50 = 49,525.54/x
  3. Step 3: Cross multiply
    87,762.44x = 121,105.50 × 49,525.54
  4. Step 4: Simplify right side
    87,762.44x = 5,997,815,284.47
  5. Step 5: Solve for x
    x = 5,997,815,284.47/87,762.44
  6. Step 6: Final answer
    x = 68,341.48

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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.