Home / 89,007.09-122,829.97-48,723.43

Finding the Fourth Proportional to 89,007.09, 122,829.97 and 48,723.43

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Solution

The fourth proportional to 89,007.09, 122,829.97 and 48,723.43 is: 67,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,007.09 : 122,829.97 = 48,723.43 : x
  2. Step 2: Convert to fraction form
    89,007.09/122,829.97 = 48,723.43/x
  3. Step 3: Cross multiply
    89,007.09x = 122,829.97 × 48,723.43
  4. Step 4: Simplify right side
    89,007.09x = 5,984,696,587.43
  5. Step 5: Solve for x
    x = 5,984,696,587.43/89,007.09
  6. Step 6: Final answer
    x = 67,238.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.