Home / 50,928.40-76,176.60-45,701.20

Finding the Fourth Proportional to 50,928.40, 76,176.60 and 45,701.20

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Solution

The fourth proportional to 50,928.40, 76,176.60 and 45,701.20 is: 68,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.40 : 76,176.60 = 45,701.20 : x
  2. Step 2: Convert to fraction form
    50,928.40/76,176.60 = 45,701.20/x
  3. Step 3: Cross multiply
    50,928.40x = 76,176.60 × 45,701.20
  4. Step 4: Simplify right side
    50,928.40x = 3,481,362,031.92
  5. Step 5: Solve for x
    x = 3,481,362,031.92/50,928.40
  6. Step 6: Final answer
    x = 68,357.97

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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.