Home / 56,455.53-84,716.09-25,290.78

Finding the Fourth Proportional to 56,455.53, 84,716.09 and 25,290.78

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Solution

The fourth proportional to 56,455.53, 84,716.09 and 25,290.78 is: 37,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.53 : 84,716.09 = 25,290.78 : x
  2. Step 2: Convert to fraction form
    56,455.53/84,716.09 = 25,290.78/x
  3. Step 3: Cross multiply
    56,455.53x = 84,716.09 × 25,290.78
  4. Step 4: Simplify right side
    56,455.53x = 2,142,536,264.14
  5. Step 5: Solve for x
    x = 2,142,536,264.14/56,455.53
  6. Step 6: Final answer
    x = 37,950.86

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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.