Home / 77,791.02-116,731.80-32,809.56

Finding the Fourth Proportional to 77,791.02, 116,731.80 and 32,809.56

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Solution

The fourth proportional to 77,791.02, 116,731.80 and 32,809.56 is: 49,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,791.02 : 116,731.80 = 32,809.56 : x
  2. Step 2: Convert to fraction form
    77,791.02/116,731.80 = 32,809.56/x
  3. Step 3: Cross multiply
    77,791.02x = 116,731.80 × 32,809.56
  4. Step 4: Simplify right side
    77,791.02x = 3,829,918,996.01
  5. Step 5: Solve for x
    x = 3,829,918,996.01/77,791.02
  6. Step 6: Final answer
    x = 49,233.43

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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.