Home / 89,257.35-123,174.09-48,971.46

Finding the Fourth Proportional to 89,257.35, 123,174.09 and 48,971.46

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Solution

The fourth proportional to 89,257.35, 123,174.09 and 48,971.46 is: 67,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.35 : 123,174.09 = 48,971.46 : x
  2. Step 2: Convert to fraction form
    89,257.35/123,174.09 = 48,971.46/x
  3. Step 3: Cross multiply
    89,257.35x = 123,174.09 × 48,971.46
  4. Step 4: Simplify right side
    89,257.35x = 6,032,015,021.47
  5. Step 5: Solve for x
    x = 6,032,015,021.47/89,257.35
  6. Step 6: Final answer
    x = 67,580.04

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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.