Home / 56,283.75-77,540.09-39,257.64

Finding the Fourth Proportional to 56,283.75, 77,540.09 and 39,257.64

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Solution

The fourth proportional to 56,283.75, 77,540.09 and 39,257.64 is: 54,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.75 : 77,540.09 = 39,257.64 : x
  2. Step 2: Convert to fraction form
    56,283.75/77,540.09 = 39,257.64/x
  3. Step 3: Cross multiply
    56,283.75x = 77,540.09 × 39,257.64
  4. Step 4: Simplify right side
    56,283.75x = 3,044,040,742.50
  5. Step 5: Solve for x
    x = 3,044,040,742.50/56,283.75
  6. Step 6: Final answer
    x = 54,083.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.