Home / 77,136.82-115,680.42-24,533.98

Finding the Fourth Proportional to 77,136.82, 115,680.42 and 24,533.98

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Solution

The fourth proportional to 77,136.82, 115,680.42 and 24,533.98 is: 36,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.82 : 115,680.42 = 24,533.98 : x
  2. Step 2: Convert to fraction form
    77,136.82/115,680.42 = 24,533.98/x
  3. Step 3: Cross multiply
    77,136.82x = 115,680.42 × 24,533.98
  4. Step 4: Simplify right side
    77,136.82x = 2,838,101,110.67
  5. Step 5: Solve for x
    x = 2,838,101,110.67/77,136.82
  6. Step 6: Final answer
    x = 36,793.08

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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.