Home / 90,099.53-124,327.83-49,806.80

Finding the Fourth Proportional to 90,099.53, 124,327.83 and 49,806.80

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Solution

The fourth proportional to 90,099.53, 124,327.83 and 49,806.80 is: 68,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099.53 : 124,327.83 = 49,806.80 : x
  2. Step 2: Convert to fraction form
    90,099.53/124,327.83 = 49,806.80/x
  3. Step 3: Cross multiply
    90,099.53x = 124,327.83 × 49,806.80
  4. Step 4: Simplify right side
    90,099.53x = 6,192,371,363.24
  5. Step 5: Solve for x
    x = 6,192,371,363.24/90,099.53
  6. Step 6: Final answer
    x = 68,728.12

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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.