Home / 89,054.21-122,894.40-48,767.84

Finding the Fourth Proportional to 89,054.21, 122,894.40 and 48,767.84

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Solution

The fourth proportional to 89,054.21, 122,894.40 and 48,767.84 is: 67,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,054.21 : 122,894.40 = 48,767.84 : x
  2. Step 2: Convert to fraction form
    89,054.21/122,894.40 = 48,767.84/x
  3. Step 3: Cross multiply
    89,054.21x = 122,894.40 × 48,767.84
  4. Step 4: Simplify right side
    89,054.21x = 5,993,293,821.62
  5. Step 5: Solve for x
    x = 5,993,293,821.62/89,054.21
  6. Step 6: Final answer
    x = 67,299.39

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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.