Home / 89,111.84-122,976.96-48,829.12

Finding the Fourth Proportional to 89,111.84, 122,976.96 and 48,829.12

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Solution

The fourth proportional to 89,111.84, 122,976.96 and 48,829.12 is: 67,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,111.84 : 122,976.96 = 48,829.12 : x
  2. Step 2: Convert to fraction form
    89,111.84/122,976.96 = 48,829.12/x
  3. Step 3: Cross multiply
    89,111.84x = 122,976.96 × 48,829.12
  4. Step 4: Simplify right side
    89,111.84x = 6,004,856,737.08
  5. Step 5: Solve for x
    x = 6,004,856,737.08/89,111.84
  6. Step 6: Final answer
    x = 67,385.62

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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.