Home / 65,379.32-90,113.82-50,060.60

Finding the Fourth Proportional to 65,379.32, 90,113.82 and 50,060.60

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Solution

The fourth proportional to 65,379.32, 90,113.82 and 50,060.60 is: 68,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,379.32 : 90,113.82 = 50,060.60 : x
  2. Step 2: Convert to fraction form
    65,379.32/90,113.82 = 50,060.60/x
  3. Step 3: Cross multiply
    65,379.32x = 90,113.82 × 50,060.60
  4. Step 4: Simplify right side
    65,379.32x = 4,511,151,897.49
  5. Step 5: Solve for x
    x = 4,511,151,897.49/65,379.32
  6. Step 6: Final answer
    x = 68,999.68

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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.