Home / 56,745.50-85,118.14-34,260.64

Finding the Fourth Proportional to 56,745.50, 85,118.14 and 34,260.64

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Solution

The fourth proportional to 56,745.50, 85,118.14 and 34,260.64 is: 51,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.50 : 85,118.14 = 34,260.64 : x
  2. Step 2: Convert to fraction form
    56,745.50/85,118.14 = 34,260.64/x
  3. Step 3: Cross multiply
    56,745.50x = 85,118.14 × 34,260.64
  4. Step 4: Simplify right side
    56,745.50x = 2,916,201,952.01
  5. Step 5: Solve for x
    x = 2,916,201,952.01/56,745.50
  6. Step 6: Final answer
    x = 51,390.89

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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.