Home / 53,729.80-80,594.70-45,176.20

Finding the Fourth Proportional to 53,729.80, 80,594.70 and 45,176.20

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Solution

The fourth proportional to 53,729.80, 80,594.70 and 45,176.20 is: 67,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.80 : 80,594.70 = 45,176.20 : x
  2. Step 2: Convert to fraction form
    53,729.80/80,594.70 = 45,176.20/x
  3. Step 3: Cross multiply
    53,729.80x = 80,594.70 × 45,176.20
  4. Step 4: Simplify right side
    53,729.80x = 3,640,962,286.14
  5. Step 5: Solve for x
    x = 3,640,962,286.14/53,729.80
  6. Step 6: Final answer
    x = 67,764.30

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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.