Home / 82,791.06-124,199.01-38,422.37

Finding the Fourth Proportional to 82,791.06, 124,199.01 and 38,422.37

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Solution

The fourth proportional to 82,791.06, 124,199.01 and 38,422.37 is: 57,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.06 : 124,199.01 = 38,422.37 : x
  2. Step 2: Convert to fraction form
    82,791.06/124,199.01 = 38,422.37/x
  3. Step 3: Cross multiply
    82,791.06x = 124,199.01 × 38,422.37
  4. Step 4: Simplify right side
    82,791.06x = 4,772,019,694.86
  5. Step 5: Solve for x
    x = 4,772,019,694.86/82,791.06
  6. Step 6: Final answer
    x = 57,639.31

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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.