Home / 55,233.45-82,850.18-31,840.65

Finding the Fourth Proportional to 55,233.45, 82,850.18 and 31,840.65

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Solution

The fourth proportional to 55,233.45, 82,850.18 and 31,840.65 is: 47,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.45 : 82,850.18 = 31,840.65 : x
  2. Step 2: Convert to fraction form
    55,233.45/82,850.18 = 31,840.65/x
  3. Step 3: Cross multiply
    55,233.45x = 82,850.18 × 31,840.65
  4. Step 4: Simplify right side
    55,233.45x = 2,638,003,424.61
  5. Step 5: Solve for x
    x = 2,638,003,424.61/55,233.45
  6. Step 6: Final answer
    x = 47,760.98

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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.