Home / 90,733.98-125,217.06-50,451.88

Finding the Fourth Proportional to 90,733.98, 125,217.06 and 50,451.88

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Solution

The fourth proportional to 90,733.98, 125,217.06 and 50,451.88 is: 69,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.98 : 125,217.06 = 50,451.88 : x
  2. Step 2: Convert to fraction form
    90,733.98/125,217.06 = 50,451.88/x
  3. Step 3: Cross multiply
    90,733.98x = 125,217.06 × 50,451.88
  4. Step 4: Simplify right side
    90,733.98x = 6,317,436,085.07
  5. Step 5: Solve for x
    x = 6,317,436,085.07/90,733.98
  6. Step 6: Final answer
    x = 69,625.91

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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.