Home / 87,182.79-120,324.51-50,896.14

Finding the Fourth Proportional to 87,182.79, 120,324.51 and 50,896.14

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Solution

The fourth proportional to 87,182.79, 120,324.51 and 50,896.14 is: 70,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,182.79 : 120,324.51 = 50,896.14 : x
  2. Step 2: Convert to fraction form
    87,182.79/120,324.51 = 50,896.14/x
  3. Step 3: Cross multiply
    87,182.79x = 120,324.51 × 50,896.14
  4. Step 4: Simplify right side
    87,182.79x = 6,124,053,106.39
  5. Step 5: Solve for x
    x = 6,124,053,106.39/87,182.79
  6. Step 6: Final answer
    x = 70,243.83

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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.