Home / 90,910.83-125,454.09-50,623.74

Finding the Fourth Proportional to 90,910.83, 125,454.09 and 50,623.74

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Solution

The fourth proportional to 90,910.83, 125,454.09 and 50,623.74 is: 69,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,910.83 : 125,454.09 = 50,623.74 : x
  2. Step 2: Convert to fraction form
    90,910.83/125,454.09 = 50,623.74/x
  3. Step 3: Cross multiply
    90,910.83x = 125,454.09 × 50,623.74
  4. Step 4: Simplify right side
    90,910.83x = 6,350,955,234.10
  5. Step 5: Solve for x
    x = 6,350,955,234.10/90,910.83
  6. Step 6: Final answer
    x = 69,859.17

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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.