Home / 90,768.11-125,244.77-50,476.50

Finding the Fourth Proportional to 90,768.11, 125,244.77 and 50,476.50

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Solution

The fourth proportional to 90,768.11, 125,244.77 and 50,476.50 is: 69,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,768.11 : 125,244.77 = 50,476.50 : x
  2. Step 2: Convert to fraction form
    90,768.11/125,244.77 = 50,476.50/x
  3. Step 3: Cross multiply
    90,768.11x = 125,244.77 × 50,476.50
  4. Step 4: Simplify right side
    90,768.11x = 6,321,917,380.52
  5. Step 5: Solve for x
    x = 6,321,917,380.52/90,768.11
  6. Step 6: Final answer
    x = 69,649.11

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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.