Home / 89,258.92-123,173.21-48,971.86

Finding the Fourth Proportional to 89,258.92, 123,173.21 and 48,971.86

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Solution

The fourth proportional to 89,258.92, 123,173.21 and 48,971.86 is: 67,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,258.92 : 123,173.21 = 48,971.86 : x
  2. Step 2: Convert to fraction form
    89,258.92/123,173.21 = 48,971.86/x
  3. Step 3: Cross multiply
    89,258.92x = 123,173.21 × 48,971.86
  4. Step 4: Simplify right side
    89,258.92x = 6,032,021,010.37
  5. Step 5: Solve for x
    x = 6,032,021,010.37/89,258.92
  6. Step 6: Final answer
    x = 67,578.92

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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.