Home / 79,293.66-118,999.62-31,909.17

Finding the Fourth Proportional to 79,293.66, 118,999.62 and 31,909.17

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Solution

The fourth proportional to 79,293.66, 118,999.62 and 31,909.17 is: 47,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293.66 : 118,999.62 = 31,909.17 : x
  2. Step 2: Convert to fraction form
    79,293.66/118,999.62 = 31,909.17/x
  3. Step 3: Cross multiply
    79,293.66x = 118,999.62 × 31,909.17
  4. Step 4: Simplify right side
    79,293.66x = 3,797,179,104.52
  5. Step 5: Solve for x
    x = 3,797,179,104.52/79,293.66
  6. Step 6: Final answer
    x = 47,887.55

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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.