Home / 50,966.40-76,233.60-45,739.20

Finding the Fourth Proportional to 50,966.40, 76,233.60 and 45,739.20

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Solution

The fourth proportional to 50,966.40, 76,233.60 and 45,739.20 is: 68,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,966.40 : 76,233.60 = 45,739.20 : x
  2. Step 2: Convert to fraction form
    50,966.40/76,233.60 = 45,739.20/x
  3. Step 3: Cross multiply
    50,966.40x = 76,233.60 × 45,739.20
  4. Step 4: Simplify right side
    50,966.40x = 3,486,863,877.12
  5. Step 5: Solve for x
    x = 3,486,863,877.12/50,966.40
  6. Step 6: Final answer
    x = 68,414.95

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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.