Home / 57,226.20-85,830.12-15,663.48

Finding the Fourth Proportional to 57,226.20, 85,830.12 and 15,663.48

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Solution

The fourth proportional to 57,226.20, 85,830.12 and 15,663.48 is: 23,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.20 : 85,830.12 = 15,663.48 : x
  2. Step 2: Convert to fraction form
    57,226.20/85,830.12 = 15,663.48/x
  3. Step 3: Cross multiply
    57,226.20x = 85,830.12 × 15,663.48
  4. Step 4: Simplify right side
    57,226.20x = 1,344,398,368.02
  5. Step 5: Solve for x
    x = 1,344,398,368.02/57,226.20
  6. Step 6: Final answer
    x = 23,492.71

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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.