Home / 89,618.80-123,677.47-49,336.31

Finding the Fourth Proportional to 89,618.80, 123,677.47 and 49,336.31

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Solution

The fourth proportional to 89,618.80, 123,677.47 and 49,336.31 is: 68,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.80 : 123,677.47 = 49,336.31 : x
  2. Step 2: Convert to fraction form
    89,618.80/123,677.47 = 49,336.31/x
  3. Step 3: Cross multiply
    89,618.80x = 123,677.47 × 49,336.31
  4. Step 4: Simplify right side
    89,618.80x = 6,101,789,134.87
  5. Step 5: Solve for x
    x = 6,101,789,134.87/89,618.80
  6. Step 6: Final answer
    x = 68,086.04

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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.