Home / 90,765.06-125,246.34-50,472.42

Finding the Fourth Proportional to 90,765.06, 125,246.34 and 50,472.42

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Solution

The fourth proportional to 90,765.06, 125,246.34 and 50,472.42 is: 69,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,765.06 : 125,246.34 = 50,472.42 : x
  2. Step 2: Convert to fraction form
    90,765.06/125,246.34 = 50,472.42/x
  3. Step 3: Cross multiply
    90,765.06x = 125,246.34 × 50,472.42
  4. Step 4: Simplify right side
    90,765.06x = 6,321,485,875.94
  5. Step 5: Solve for x
    x = 6,321,485,875.94/90,765.06
  6. Step 6: Final answer
    x = 69,646.69

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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.