Home / 89,217.94-133,839.15-51,795.58

Finding the Fourth Proportional to 89,217.94, 133,839.15 and 51,795.58

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Solution

The fourth proportional to 89,217.94, 133,839.15 and 51,795.58 is: 77,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,217.94 : 133,839.15 = 51,795.58 : x
  2. Step 2: Convert to fraction form
    89,217.94/133,839.15 = 51,795.58/x
  3. Step 3: Cross multiply
    89,217.94x = 133,839.15 × 51,795.58
  4. Step 4: Simplify right side
    89,217.94x = 6,932,276,400.96
  5. Step 5: Solve for x
    x = 6,932,276,400.96/89,217.94
  6. Step 6: Final answer
    x = 77,700.48

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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.