Home / 57,280.48-85,945.20-31,003.84

Finding the Fourth Proportional to 57,280.48, 85,945.20 and 31,003.84

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Solution

The fourth proportional to 57,280.48, 85,945.20 and 31,003.84 is: 46,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.48 : 85,945.20 = 31,003.84 : x
  2. Step 2: Convert to fraction form
    57,280.48/85,945.20 = 31,003.84/x
  3. Step 3: Cross multiply
    57,280.48x = 85,945.20 × 31,003.84
  4. Step 4: Simplify right side
    57,280.48x = 2,664,631,229.57
  5. Step 5: Solve for x
    x = 2,664,631,229.57/57,280.48
  6. Step 6: Final answer
    x = 46,519.01

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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.