Home / 45,622.20-68,433.30-43,807.80

Finding the Fourth Proportional to 45,622.20, 68,433.30 and 43,807.80

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Solution

The fourth proportional to 45,622.20, 68,433.30 and 43,807.80 is: 65,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.20 : 68,433.30 = 43,807.80 : x
  2. Step 2: Convert to fraction form
    45,622.20/68,433.30 = 43,807.80/x
  3. Step 3: Cross multiply
    45,622.20x = 68,433.30 × 43,807.80
  4. Step 4: Simplify right side
    45,622.20x = 2,997,912,319.74
  5. Step 5: Solve for x
    x = 2,997,912,319.74/45,622.20
  6. Step 6: Final answer
    x = 65,711.70

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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.