Home / 90,479.60-124,855.97-50,193.26

Finding the Fourth Proportional to 90,479.60, 124,855.97 and 50,193.26

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Solution

The fourth proportional to 90,479.60, 124,855.97 and 50,193.26 is: 69,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,479.60 : 124,855.97 = 50,193.26 : x
  2. Step 2: Convert to fraction form
    90,479.60/124,855.97 = 50,193.26/x
  3. Step 3: Cross multiply
    90,479.60x = 124,855.97 × 50,193.26
  4. Step 4: Simplify right side
    90,479.60x = 6,266,928,108.88
  5. Step 5: Solve for x
    x = 6,266,928,108.88/90,479.60
  6. Step 6: Final answer
    x = 69,263.44

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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.