Home / 57,750.72-86,618.40-16,200.96

Finding the Fourth Proportional to 57,750.72, 86,618.40 and 16,200.96

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Solution

The fourth proportional to 57,750.72, 86,618.40 and 16,200.96 is: 24,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.72 : 86,618.40 = 16,200.96 : x
  2. Step 2: Convert to fraction form
    57,750.72/86,618.40 = 16,200.96/x
  3. Step 3: Cross multiply
    57,750.72x = 86,618.40 × 16,200.96
  4. Step 4: Simplify right side
    57,750.72x = 1,403,301,233.66
  5. Step 5: Solve for x
    x = 1,403,301,233.66/57,750.72
  6. Step 6: Final answer
    x = 24,299.29

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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.