Home / 89,677.48-123,760.54-49,391.24

Finding the Fourth Proportional to 89,677.48, 123,760.54 and 49,391.24

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Solution

The fourth proportional to 89,677.48, 123,760.54 and 49,391.24 is: 68,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.48 : 123,760.54 = 49,391.24 : x
  2. Step 2: Convert to fraction form
    89,677.48/123,760.54 = 49,391.24/x
  3. Step 3: Cross multiply
    89,677.48x = 123,760.54 × 49,391.24
  4. Step 4: Simplify right side
    89,677.48x = 6,112,685,914.87
  5. Step 5: Solve for x
    x = 6,112,685,914.87/89,677.48
  6. Step 6: Final answer
    x = 68,163.00

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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.