Home / 66,844.97-92,237.27-39,977.67

Finding the Fourth Proportional to 66,844.97, 92,237.27 and 39,977.67

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Solution

The fourth proportional to 66,844.97, 92,237.27 and 39,977.67 is: 55,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.97 : 92,237.27 = 39,977.67 : x
  2. Step 2: Convert to fraction form
    66,844.97/92,237.27 = 39,977.67/x
  3. Step 3: Cross multiply
    66,844.97x = 92,237.27 × 39,977.67
  4. Step 4: Simplify right side
    66,844.97x = 3,687,431,141.76
  5. Step 5: Solve for x
    x = 3,687,431,141.76/66,844.97
  6. Step 6: Final answer
    x = 55,163.93

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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.