Home / 57,135.38-85,703.67-15,582.38

Finding the Fourth Proportional to 57,135.38, 85,703.67 and 15,582.38

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Solution

The fourth proportional to 57,135.38, 85,703.67 and 15,582.38 is: 23,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.38 : 85,703.67 = 15,582.38 : x
  2. Step 2: Convert to fraction form
    57,135.38/85,703.67 = 15,582.38/x
  3. Step 3: Cross multiply
    57,135.38x = 85,703.67 × 15,582.38
  4. Step 4: Simplify right side
    57,135.38x = 1,335,466,724.82
  5. Step 5: Solve for x
    x = 1,335,466,724.82/57,135.38
  6. Step 6: Final answer
    x = 23,373.73

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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.