Home / 75,822.20-113,514.60-50,890.40

Finding the Fourth Proportional to 75,822.20, 113,514.60 and 50,890.40

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Solution

The fourth proportional to 75,822.20, 113,514.60 and 50,890.40 is: 76,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,822.20 : 113,514.60 = 50,890.40 : x
  2. Step 2: Convert to fraction form
    75,822.20/113,514.60 = 50,890.40/x
  3. Step 3: Cross multiply
    75,822.20x = 113,514.60 × 50,890.40
  4. Step 4: Simplify right side
    75,822.20x = 5,776,803,399.84
  5. Step 5: Solve for x
    x = 5,776,803,399.84/75,822.20
  6. Step 6: Final answer
    x = 76,188.81

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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.