Home / 56,701.85-85,071.89-25,107.60

Finding the Fourth Proportional to 56,701.85, 85,071.89 and 25,107.60

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Solution

The fourth proportional to 56,701.85, 85,071.89 and 25,107.60 is: 37,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,701.85 : 85,071.89 = 25,107.60 : x
  2. Step 2: Convert to fraction form
    56,701.85/85,071.89 = 25,107.60/x
  3. Step 3: Cross multiply
    56,701.85x = 85,071.89 × 25,107.60
  4. Step 4: Simplify right side
    56,701.85x = 2,135,950,434.47
  5. Step 5: Solve for x
    x = 2,135,950,434.47/56,701.85
  6. Step 6: Final answer
    x = 37,669.86

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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.