Home / 56,544.20-84,816.30-51,705.80

Finding the Fourth Proportional to 56,544.20, 84,816.30 and 51,705.80

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Solution

The fourth proportional to 56,544.20, 84,816.30 and 51,705.80 is: 77,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,544.20 : 84,816.30 = 51,705.80 : x
  2. Step 2: Convert to fraction form
    56,544.20/84,816.30 = 51,705.80/x
  3. Step 3: Cross multiply
    56,544.20x = 84,816.30 × 51,705.80
  4. Step 4: Simplify right side
    56,544.20x = 4,385,494,644.54
  5. Step 5: Solve for x
    x = 4,385,494,644.54/56,544.20
  6. Step 6: Final answer
    x = 77,558.70

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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.