Home / 57,114.46-85,680.87-19,665.33

Finding the Fourth Proportional to 57,114.46, 85,680.87 and 19,665.33

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Solution

The fourth proportional to 57,114.46, 85,680.87 and 19,665.33 is: 29,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114.46 : 85,680.87 = 19,665.33 : x
  2. Step 2: Convert to fraction form
    57,114.46/85,680.87 = 19,665.33/x
  3. Step 3: Cross multiply
    57,114.46x = 85,680.87 × 19,665.33
  4. Step 4: Simplify right side
    57,114.46x = 1,684,942,154.83
  5. Step 5: Solve for x
    x = 1,684,942,154.83/57,114.46
  6. Step 6: Final answer
    x = 29,501.15

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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.