Home / 89,217.84-133,679.10-39,222.96

Finding the Fourth Proportional to 89,217.84, 133,679.10 and 39,222.96

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Solution

The fourth proportional to 89,217.84, 133,679.10 and 39,222.96 is: 58,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,217.84 : 133,679.10 = 39,222.96 : x
  2. Step 2: Convert to fraction form
    89,217.84/133,679.10 = 39,222.96/x
  3. Step 3: Cross multiply
    89,217.84x = 133,679.10 × 39,222.96
  4. Step 4: Simplify right side
    89,217.84x = 5,243,289,992.14
  5. Step 5: Solve for x
    x = 5,243,289,992.14/89,217.84
  6. Step 6: Final answer
    x = 58,769.52

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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.