Home / 89,214.42-133,821.48-49,231.47

Finding the Fourth Proportional to 89,214.42, 133,821.48 and 49,231.47

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Solution

The fourth proportional to 89,214.42, 133,821.48 and 49,231.47 is: 73,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,214.42 : 133,821.48 = 49,231.47 : x
  2. Step 2: Convert to fraction form
    89,214.42/133,821.48 = 49,231.47/x
  3. Step 3: Cross multiply
    89,214.42x = 133,821.48 × 49,231.47
  4. Step 4: Simplify right side
    89,214.42x = 6,588,228,177.98
  5. Step 5: Solve for x
    x = 6,588,228,177.98/89,214.42
  6. Step 6: Final answer
    x = 73,847.12

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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.