Home / 87,236.19-120,405.69-60,048.54

Finding the Fourth Proportional to 87,236.19, 120,405.69 and 60,048.54

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Solution

The fourth proportional to 87,236.19, 120,405.69 and 60,048.54 is: 82,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,236.19 : 120,405.69 = 60,048.54 : x
  2. Step 2: Convert to fraction form
    87,236.19/120,405.69 = 60,048.54/x
  3. Step 3: Cross multiply
    87,236.19x = 120,405.69 × 60,048.54
  4. Step 4: Simplify right side
    87,236.19x = 7,230,185,892.19
  5. Step 5: Solve for x
    x = 7,230,185,892.19/87,236.19
  6. Step 6: Final answer
    x = 82,880.58

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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.