Home / 89,548.55-123,576.11-49,262.36

Finding the Fourth Proportional to 89,548.55, 123,576.11 and 49,262.36

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Solution

The fourth proportional to 89,548.55, 123,576.11 and 49,262.36 is: 67,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,548.55 : 123,576.11 = 49,262.36 : x
  2. Step 2: Convert to fraction form
    89,548.55/123,576.11 = 49,262.36/x
  3. Step 3: Cross multiply
    89,548.55x = 123,576.11 × 49,262.36
  4. Step 4: Simplify right side
    89,548.55x = 6,087,649,954.03
  5. Step 5: Solve for x
    x = 6,087,649,954.03/89,548.55
  6. Step 6: Final answer
    x = 67,981.56

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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.