Home / 56,839.95-85,272.39-17,400.09

Finding the Fourth Proportional to 56,839.95, 85,272.39 and 17,400.09

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Solution

The fourth proportional to 56,839.95, 85,272.39 and 17,400.09 is: 26,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,839.95 : 85,272.39 = 17,400.09 : x
  2. Step 2: Convert to fraction form
    56,839.95/85,272.39 = 17,400.09/x
  3. Step 3: Cross multiply
    56,839.95x = 85,272.39 × 17,400.09
  4. Step 4: Simplify right side
    56,839.95x = 1,483,747,260.52
  5. Step 5: Solve for x
    x = 1,483,747,260.52/56,839.95
  6. Step 6: Final answer
    x = 26,103.95

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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.