Home / 52,734.56-72,772.44-28,861.20

Finding the Fourth Proportional to 52,734.56, 72,772.44 and 28,861.20

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Solution

The fourth proportional to 52,734.56, 72,772.44 and 28,861.20 is: 39,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.56 : 72,772.44 = 28,861.20 : x
  2. Step 2: Convert to fraction form
    52,734.56/72,772.44 = 28,861.20/x
  3. Step 3: Cross multiply
    52,734.56x = 72,772.44 × 28,861.20
  4. Step 4: Simplify right side
    52,734.56x = 2,100,299,945.33
  5. Step 5: Solve for x
    x = 2,100,299,945.33/52,734.56
  6. Step 6: Final answer
    x = 39,827.77

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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.