Home / 73,067.41-109,567.77-70,771.06

Finding the Fourth Proportional to 73,067.41, 109,567.77 and 70,771.06

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Solution

The fourth proportional to 73,067.41, 109,567.77 and 70,771.06 is: 106,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.41 : 109,567.77 = 70,771.06 : x
  2. Step 2: Convert to fraction form
    73,067.41/109,567.77 = 70,771.06/x
  3. Step 3: Cross multiply
    73,067.41x = 109,567.77 × 70,771.06
  4. Step 4: Simplify right side
    73,067.41x = 7,754,227,224.74
  5. Step 5: Solve for x
    x = 7,754,227,224.74/73,067.41
  6. Step 6: Final answer
    x = 106,124.29

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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.