Home / 90,339.30-124,661.88-50,049.36

Finding the Fourth Proportional to 90,339.30, 124,661.88 and 50,049.36

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Solution

The fourth proportional to 90,339.30, 124,661.88 and 50,049.36 is: 69,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,339.30 : 124,661.88 = 50,049.36 : x
  2. Step 2: Convert to fraction form
    90,339.30/124,661.88 = 50,049.36/x
  3. Step 3: Cross multiply
    90,339.30x = 124,661.88 × 50,049.36
  4. Step 4: Simplify right side
    90,339.30x = 6,239,247,310.40
  5. Step 5: Solve for x
    x = 6,239,247,310.40/90,339.30
  6. Step 6: Final answer
    x = 69,064.60

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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.