Home / 89,588.80-123,632.64-49,305.48

Finding the Fourth Proportional to 89,588.80, 123,632.64 and 49,305.48

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Solution

The fourth proportional to 89,588.80, 123,632.64 and 49,305.48 is: 68,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,588.80 : 123,632.64 = 49,305.48 : x
  2. Step 2: Convert to fraction form
    89,588.80/123,632.64 = 49,305.48/x
  3. Step 3: Cross multiply
    89,588.80x = 123,632.64 × 49,305.48
  4. Step 4: Simplify right side
    89,588.80x = 6,095,766,658.87
  5. Step 5: Solve for x
    x = 6,095,766,658.87/89,588.80
  6. Step 6: Final answer
    x = 68,041.62

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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.