Home / 89,367.67-123,369.42-51,634.63

Finding the Fourth Proportional to 89,367.67, 123,369.42 and 51,634.63

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Solution

The fourth proportional to 89,367.67, 123,369.42 and 51,634.63 is: 71,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,367.67 : 123,369.42 = 51,634.63 : x
  2. Step 2: Convert to fraction form
    89,367.67/123,369.42 = 51,634.63/x
  3. Step 3: Cross multiply
    89,367.67x = 123,369.42 × 51,634.63
  4. Step 4: Simplify right side
    89,367.67x = 6,370,134,355.01
  5. Step 5: Solve for x
    x = 6,370,134,355.01/89,367.67
  6. Step 6: Final answer
    x = 71,280.08

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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.