Home / 89,222.49-133,791.36-51,794.15

Finding the Fourth Proportional to 89,222.49, 133,791.36 and 51,794.15

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Solution

The fourth proportional to 89,222.49, 133,791.36 and 51,794.15 is: 77,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,222.49 : 133,791.36 = 51,794.15 : x
  2. Step 2: Convert to fraction form
    89,222.49/133,791.36 = 51,794.15/x
  3. Step 3: Cross multiply
    89,222.49x = 133,791.36 × 51,794.15
  4. Step 4: Simplify right side
    89,222.49x = 6,929,609,099.59
  5. Step 5: Solve for x
    x = 6,929,609,099.59/89,222.49
  6. Step 6: Final answer
    x = 77,666.62

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1.5x scale

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.