Home / 90,453.07-124,832.70-50,179.80

Finding the Fourth Proportional to 90,453.07, 124,832.70 and 50,179.80

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Solution

The fourth proportional to 90,453.07, 124,832.70 and 50,179.80 is: 69,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453.07 : 124,832.70 = 50,179.80 : x
  2. Step 2: Convert to fraction form
    90,453.07/124,832.70 = 50,179.80/x
  3. Step 3: Cross multiply
    90,453.07x = 124,832.70 × 50,179.80
  4. Step 4: Simplify right side
    90,453.07x = 6,264,079,919.46
  5. Step 5: Solve for x
    x = 6,264,079,919.46/90,453.07
  6. Step 6: Final answer
    x = 69,252.27

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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.