Home / 89,102.52-122,966.64-48,816.36

Finding the Fourth Proportional to 89,102.52, 122,966.64 and 48,816.36

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Solution

The fourth proportional to 89,102.52, 122,966.64 and 48,816.36 is: 67,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102.52 : 122,966.64 = 48,816.36 : x
  2. Step 2: Convert to fraction form
    89,102.52/122,966.64 = 48,816.36/x
  3. Step 3: Cross multiply
    89,102.52x = 122,966.64 × 48,816.36
  4. Step 4: Simplify right side
    89,102.52x = 6,002,783,766.23
  5. Step 5: Solve for x
    x = 6,002,783,766.23/89,102.52
  6. Step 6: Final answer
    x = 67,369.41

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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.