Home / 90,321.63-124,640.00-50,037.09

Finding the Fourth Proportional to 90,321.63, 124,640.00 and 50,037.09

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Solution

The fourth proportional to 90,321.63, 124,640.00 and 50,037.09 is: 69,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,321.63 : 124,640.00 = 50,037.09 : x
  2. Step 2: Convert to fraction form
    90,321.63/124,640.00 = 50,037.09/x
  3. Step 3: Cross multiply
    90,321.63x = 124,640.00 × 50,037.09
  4. Step 4: Simplify right side
    90,321.63x = 6,236,622,647.41
  5. Step 5: Solve for x
    x = 6,236,622,647.41/90,321.63
  6. Step 6: Final answer
    x = 69,049.05

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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.