Home / 53,395.20-73,734.30-42,861.96

Finding the Fourth Proportional to 53,395.20, 73,734.30 and 42,861.96

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Solution

The fourth proportional to 53,395.20, 73,734.30 and 42,861.96 is: 59,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.20 : 73,734.30 = 42,861.96 : x
  2. Step 2: Convert to fraction form
    53,395.20/73,734.30 = 42,861.96/x
  3. Step 3: Cross multiply
    53,395.20x = 73,734.30 × 42,861.96
  4. Step 4: Simplify right side
    53,395.20x = 3,160,396,617.23
  5. Step 5: Solve for x
    x = 3,160,396,617.23/53,395.20
  6. Step 6: Final answer
    x = 59,188.78

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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.