Home / 77,136.20-115,699.44-24,583.40

Finding the Fourth Proportional to 77,136.20, 115,699.44 and 24,583.40

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Solution

The fourth proportional to 77,136.20, 115,699.44 and 24,583.40 is: 36,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.20 : 115,699.44 = 24,583.40 : x
  2. Step 2: Convert to fraction form
    77,136.20/115,699.44 = 24,583.40/x
  3. Step 3: Cross multiply
    77,136.20x = 115,699.44 × 24,583.40
  4. Step 4: Simplify right side
    77,136.20x = 2,844,285,613.30
  5. Step 5: Solve for x
    x = 2,844,285,613.30/77,136.20
  6. Step 6: Final answer
    x = 36,873.55

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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.