Home / 90,379.30-124,723.70-50,093.73

Finding the Fourth Proportional to 90,379.30, 124,723.70 and 50,093.73

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Solution

The fourth proportional to 90,379.30, 124,723.70 and 50,093.73 is: 69,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,379.30 : 124,723.70 = 50,093.73 : x
  2. Step 2: Convert to fraction form
    90,379.30/124,723.70 = 50,093.73/x
  3. Step 3: Cross multiply
    90,379.30x = 124,723.70 × 50,093.73
  4. Step 4: Simplify right side
    90,379.30x = 6,247,875,352.40
  5. Step 5: Solve for x
    x = 6,247,875,352.40/90,379.30
  6. Step 6: Final answer
    x = 69,129.49

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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.