Home / 51,268.80-76,903.20-50,116.80

Finding the Fourth Proportional to 51,268.80, 76,903.20 and 50,116.80

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Solution

The fourth proportional to 51,268.80, 76,903.20 and 50,116.80 is: 75,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.80 : 76,903.20 = 50,116.80 : x
  2. Step 2: Convert to fraction form
    51,268.80/76,903.20 = 50,116.80/x
  3. Step 3: Cross multiply
    51,268.80x = 76,903.20 × 50,116.80
  4. Step 4: Simplify right side
    51,268.80x = 3,854,142,293.76
  5. Step 5: Solve for x
    x = 3,854,142,293.76/51,268.80
  6. Step 6: Final answer
    x = 75,175.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.