Home / 57,114.16-85,680.96-28,664.68

Finding the Fourth Proportional to 57,114.16, 85,680.96 and 28,664.68

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Solution

The fourth proportional to 57,114.16, 85,680.96 and 28,664.68 is: 43,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.16 : 85,680.96 = 28,664.68 : x
  2. Step 2: Convert to fraction form
    57,114.16/85,680.96 = 28,664.68/x
  3. Step 3: Cross multiply
    57,114.16x = 85,680.96 × 28,664.68
  4. Step 4: Simplify right side
    57,114.16x = 2,456,017,321.06
  5. Step 5: Solve for x
    x = 2,456,017,321.06/57,114.16
  6. Step 6: Final answer
    x = 43,001.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.