Home / 89,576.01-123,600.77-51,328.20

Finding the Fourth Proportional to 89,576.01, 123,600.77 and 51,328.20

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Solution

The fourth proportional to 89,576.01, 123,600.77 and 51,328.20 is: 70,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.01 : 123,600.77 = 51,328.20 : x
  2. Step 2: Convert to fraction form
    89,576.01/123,600.77 = 51,328.20/x
  3. Step 3: Cross multiply
    89,576.01x = 123,600.77 × 51,328.20
  4. Step 4: Simplify right side
    89,576.01x = 6,344,204,786.07
  5. Step 5: Solve for x
    x = 6,344,204,786.07/89,576.01
  6. Step 6: Final answer
    x = 70,824.82

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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.