Home / 88,286.58-121,834.26-47,999.34

Finding the Fourth Proportional to 88,286.58, 121,834.26 and 47,999.34

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Solution

The fourth proportional to 88,286.58, 121,834.26 and 47,999.34 is: 66,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,286.58 : 121,834.26 = 47,999.34 : x
  2. Step 2: Convert to fraction form
    88,286.58/121,834.26 = 47,999.34/x
  3. Step 3: Cross multiply
    88,286.58x = 121,834.26 × 47,999.34
  4. Step 4: Simplify right side
    88,286.58x = 5,847,964,069.39
  5. Step 5: Solve for x
    x = 5,847,964,069.39/88,286.58
  6. Step 6: Final answer
    x = 66,238.43

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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.