Home / 87,448.20-120,696.44-55,610.94

Finding the Fourth Proportional to 87,448.20, 120,696.44 and 55,610.94

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Solution

The fourth proportional to 87,448.20, 120,696.44 and 55,610.94 is: 76,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.20 : 120,696.44 = 55,610.94 : x
  2. Step 2: Convert to fraction form
    87,448.20/120,696.44 = 55,610.94/x
  3. Step 3: Cross multiply
    87,448.20x = 120,696.44 × 55,610.94
  4. Step 4: Simplify right side
    87,448.20x = 6,712,042,483.05
  5. Step 5: Solve for x
    x = 6,712,042,483.05/87,448.20
  6. Step 6: Final answer
    x = 76,754.50

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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.