Home / 84,847.50-117,093.20-47,121.75

Finding the Fourth Proportional to 84,847.50, 117,093.20 and 47,121.75

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Solution

The fourth proportional to 84,847.50, 117,093.20 and 47,121.75 is: 65,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.50 : 117,093.20 = 47,121.75 : x
  2. Step 2: Convert to fraction form
    84,847.50/117,093.20 = 47,121.75/x
  3. Step 3: Cross multiply
    84,847.50x = 117,093.20 × 47,121.75
  4. Step 4: Simplify right side
    84,847.50x = 5,517,636,261.49
  5. Step 5: Solve for x
    x = 5,517,636,261.49/84,847.50
  6. Step 6: Final answer
    x = 65,030.04

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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.