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Finding the Fourth Proportional to 89,552.64, 134,328.96 and 36,904.26

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Solution

The fourth proportional to 89,552.64, 134,328.96 and 36,904.26 is: 55,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,552.64 : 134,328.96 = 36,904.26 : x
  2. Step 2: Convert to fraction form
    89,552.64/134,328.96 = 36,904.26/x
  3. Step 3: Cross multiply
    89,552.64x = 134,328.96 × 36,904.26
  4. Step 4: Simplify right side
    89,552.64x = 4,957,310,865.37
  5. Step 5: Solve for x
    x = 4,957,310,865.37/89,552.64
  6. Step 6: Final answer
    x = 55,356.39

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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.