Home / 90,660.94-125,106.30-50,373.96

Finding the Fourth Proportional to 90,660.94, 125,106.30 and 50,373.96

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Solution

The fourth proportional to 90,660.94, 125,106.30 and 50,373.96 is: 69,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,660.94 : 125,106.30 = 50,373.96 : x
  2. Step 2: Convert to fraction form
    90,660.94/125,106.30 = 50,373.96/x
  3. Step 3: Cross multiply
    90,660.94x = 125,106.30 × 50,373.96
  4. Step 4: Simplify right side
    90,660.94x = 6,302,099,751.95
  5. Step 5: Solve for x
    x = 6,302,099,751.95/90,660.94
  6. Step 6: Final answer
    x = 69,512.84

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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.