Home / 78,677.06-117,944.22-39,246.26

Finding the Fourth Proportional to 78,677.06, 117,944.22 and 39,246.26

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Solution

The fourth proportional to 78,677.06, 117,944.22 and 39,246.26 is: 58,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,677.06 : 117,944.22 = 39,246.26 : x
  2. Step 2: Convert to fraction form
    78,677.06/117,944.22 = 39,246.26/x
  3. Step 3: Cross multiply
    78,677.06x = 117,944.22 × 39,246.26
  4. Step 4: Simplify right side
    78,677.06x = 4,628,869,523.62
  5. Step 5: Solve for x
    x = 4,628,869,523.62/78,677.06
  6. Step 6: Final answer
    x = 58,833.79

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1.5x scale

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.