Home / 84,016.74-115,942.20-48,212.39

Finding the Fourth Proportional to 84,016.74, 115,942.20 and 48,212.39

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Solution

The fourth proportional to 84,016.74, 115,942.20 and 48,212.39 is: 66,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.74 : 115,942.20 = 48,212.39 : x
  2. Step 2: Convert to fraction form
    84,016.74/115,942.20 = 48,212.39/x
  3. Step 3: Cross multiply
    84,016.74x = 115,942.20 × 48,212.39
  4. Step 4: Simplify right side
    84,016.74x = 5,589,849,984.15
  5. Step 5: Solve for x
    x = 5,589,849,984.15/84,016.74
  6. Step 6: Final answer
    x = 66,532.57

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1.5x scale

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.