Home / 90,105.56-124,334.82-49,813.88

Finding the Fourth Proportional to 90,105.56, 124,334.82 and 49,813.88

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Solution

The fourth proportional to 90,105.56, 124,334.82 and 49,813.88 is: 68,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105.56 : 124,334.82 = 49,813.88 : x
  2. Step 2: Convert to fraction form
    90,105.56/124,334.82 = 49,813.88/x
  3. Step 3: Cross multiply
    90,105.56x = 124,334.82 × 49,813.88
  4. Step 4: Simplify right side
    90,105.56x = 6,193,599,803.30
  5. Step 5: Solve for x
    x = 6,193,599,803.30/90,105.56
  6. Step 6: Final answer
    x = 68,737.15

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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.