Home / 48,830.20-73,245.30-43,127.80

Finding the Fourth Proportional to 48,830.20, 73,245.30 and 43,127.80

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Solution

The fourth proportional to 48,830.20, 73,245.30 and 43,127.80 is: 64,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.20 : 73,245.30 = 43,127.80 : x
  2. Step 2: Convert to fraction form
    48,830.20/73,245.30 = 43,127.80/x
  3. Step 3: Cross multiply
    48,830.20x = 73,245.30 × 43,127.80
  4. Step 4: Simplify right side
    48,830.20x = 3,158,908,649.34
  5. Step 5: Solve for x
    x = 3,158,908,649.34/48,830.20
  6. Step 6: Final answer
    x = 64,691.70

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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.