Home / 89,576.35-123,620.60-51,347.74

Finding the Fourth Proportional to 89,576.35, 123,620.60 and 51,347.74

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Solution

The fourth proportional to 89,576.35, 123,620.60 and 51,347.74 is: 70,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.35 : 123,620.60 = 51,347.74 : x
  2. Step 2: Convert to fraction form
    89,576.35/123,620.60 = 51,347.74/x
  3. Step 3: Cross multiply
    89,576.35x = 123,620.60 × 51,347.74
  4. Step 4: Simplify right side
    89,576.35x = 6,347,638,427.44
  5. Step 5: Solve for x
    x = 6,347,638,427.44/89,576.35
  6. Step 6: Final answer
    x = 70,862.88

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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.