Home / 89,644.88-123,705.48-49,362.24

Finding the Fourth Proportional to 89,644.88, 123,705.48 and 49,362.24

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Solution

The fourth proportional to 89,644.88, 123,705.48 and 49,362.24 is: 68,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.88 : 123,705.48 = 49,362.24 : x
  2. Step 2: Convert to fraction form
    89,644.88/123,705.48 = 49,362.24/x
  3. Step 3: Cross multiply
    89,644.88x = 123,705.48 × 49,362.24
  4. Step 4: Simplify right side
    89,644.88x = 6,106,379,593.08
  5. Step 5: Solve for x
    x = 6,106,379,593.08/89,644.88
  6. Step 6: Final answer
    x = 68,117.44

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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.