Home / 57,057.50-85,565.26-19,606.94

Finding the Fourth Proportional to 57,057.50, 85,565.26 and 19,606.94

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Solution

The fourth proportional to 57,057.50, 85,565.26 and 19,606.94 is: 29,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,057.50 : 85,565.26 = 19,606.94 : x
  2. Step 2: Convert to fraction form
    57,057.50/85,565.26 = 19,606.94/x
  3. Step 3: Cross multiply
    57,057.50x = 85,565.26 × 19,606.94
  4. Step 4: Simplify right side
    57,057.50x = 1,677,672,918.90
  5. Step 5: Solve for x
    x = 1,677,672,918.90/57,057.50
  6. Step 6: Final answer
    x = 29,403.20

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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.