Home / 55,617.44-76,756.28-31,745.66

Finding the Fourth Proportional to 55,617.44, 76,756.28 and 31,745.66

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Solution

The fourth proportional to 55,617.44, 76,756.28 and 31,745.66 is: 43,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.44 : 76,756.28 = 31,745.66 : x
  2. Step 2: Convert to fraction form
    55,617.44/76,756.28 = 31,745.66/x
  3. Step 3: Cross multiply
    55,617.44x = 76,756.28 × 31,745.66
  4. Step 4: Simplify right side
    55,617.44x = 2,436,678,225.24
  5. Step 5: Solve for x
    x = 2,436,678,225.24/55,617.44
  6. Step 6: Final answer
    x = 43,811.41

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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.