Home / 86,080.93-118,791.56-47,839.28

Finding the Fourth Proportional to 86,080.93, 118,791.56 and 47,839.28

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Solution

The fourth proportional to 86,080.93, 118,791.56 and 47,839.28 is: 66,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,080.93 : 118,791.56 = 47,839.28 : x
  2. Step 2: Convert to fraction form
    86,080.93/118,791.56 = 47,839.28/x
  3. Step 3: Cross multiply
    86,080.93x = 118,791.56 × 47,839.28
  4. Step 4: Simplify right side
    86,080.93x = 5,682,902,226.12
  5. Step 5: Solve for x
    x = 5,682,902,226.12/86,080.93
  6. Step 6: Final answer
    x = 66,018.13

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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.