Home / 56,918.80-85,372.62-25,329.40

Finding the Fourth Proportional to 56,918.80, 85,372.62 and 25,329.40

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Solution

The fourth proportional to 56,918.80, 85,372.62 and 25,329.40 is: 37,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.80 : 85,372.62 = 25,329.40 : x
  2. Step 2: Convert to fraction form
    56,918.80/85,372.62 = 25,329.40/x
  3. Step 3: Cross multiply
    56,918.80x = 85,372.62 × 25,329.40
  4. Step 4: Simplify right side
    56,918.80x = 2,162,437,241.03
  5. Step 5: Solve for x
    x = 2,162,437,241.03/56,918.80
  6. Step 6: Final answer
    x = 37,991.62

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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.