Home / 83,163.20-114,761.64-45,437.60

Finding the Fourth Proportional to 83,163.20, 114,761.64 and 45,437.60

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Solution

The fourth proportional to 83,163.20, 114,761.64 and 45,437.60 is: 62,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,163.20 : 114,761.64 = 45,437.60 : x
  2. Step 2: Convert to fraction form
    83,163.20/114,761.64 = 45,437.60/x
  3. Step 3: Cross multiply
    83,163.20x = 114,761.64 × 45,437.60
  4. Step 4: Simplify right side
    83,163.20x = 5,214,493,493.66
  5. Step 5: Solve for x
    x = 5,214,493,493.66/83,163.20
  6. Step 6: Final answer
    x = 62,701.93

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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.