Home / 66,632.80-91,944.38-42,791.77

Finding the Fourth Proportional to 66,632.80, 91,944.38 and 42,791.77

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Solution

The fourth proportional to 66,632.80, 91,944.38 and 42,791.77 is: 59,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.80 : 91,944.38 = 42,791.77 : x
  2. Step 2: Convert to fraction form
    66,632.80/91,944.38 = 42,791.77/x
  3. Step 3: Cross multiply
    66,632.80x = 91,944.38 × 42,791.77
  4. Step 4: Simplify right side
    66,632.80x = 3,934,462,761.75
  5. Step 5: Solve for x
    x = 3,934,462,761.75/66,632.80
  6. Step 6: Final answer
    x = 59,046.94

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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.