Home / 89,795.46-123,918.60-49,510.80

Finding the Fourth Proportional to 89,795.46, 123,918.60 and 49,510.80

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Solution

The fourth proportional to 89,795.46, 123,918.60 and 49,510.80 is: 68,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,795.46 : 123,918.60 = 49,510.80 : x
  2. Step 2: Convert to fraction form
    89,795.46/123,918.60 = 49,510.80/x
  3. Step 3: Cross multiply
    89,795.46x = 123,918.60 × 49,510.80
  4. Step 4: Simplify right side
    89,795.46x = 6,135,309,020.88
  5. Step 5: Solve for x
    x = 6,135,309,020.88/89,795.46
  6. Step 6: Final answer
    x = 68,325.38

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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.