Home / 89,136.18-133,686.99-33,736.50

Finding the Fourth Proportional to 89,136.18, 133,686.99 and 33,736.50

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Solution

The fourth proportional to 89,136.18, 133,686.99 and 33,736.50 is: 50,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.18 : 133,686.99 = 33,736.50 : x
  2. Step 2: Convert to fraction form
    89,136.18/133,686.99 = 33,736.50/x
  3. Step 3: Cross multiply
    89,136.18x = 133,686.99 × 33,736.50
  4. Step 4: Simplify right side
    89,136.18x = 4,510,131,138.14
  5. Step 5: Solve for x
    x = 4,510,131,138.14/89,136.18
  6. Step 6: Final answer
    x = 50,598.21

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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.