Home / 57,321.14-85,985.50-19,877.27

Finding the Fourth Proportional to 57,321.14, 85,985.50 and 19,877.27

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Solution

The fourth proportional to 57,321.14, 85,985.50 and 19,877.27 is: 29,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.14 : 85,985.50 = 19,877.27 : x
  2. Step 2: Convert to fraction form
    57,321.14/85,985.50 = 19,877.27/x
  3. Step 3: Cross multiply
    57,321.14x = 85,985.50 × 19,877.27
  4. Step 4: Simplify right side
    57,321.14x = 1,709,156,834.31
  5. Step 5: Solve for x
    x = 1,709,156,834.31/57,321.14
  6. Step 6: Final answer
    x = 29,817.22

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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.