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Finding the Fourth Proportional to 89,504.61, 134,283.56 and 36,917.25

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Solution

The fourth proportional to 89,504.61, 134,283.56 and 36,917.25 is: 55,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.61 : 134,283.56 = 36,917.25 : x
  2. Step 2: Convert to fraction form
    89,504.61/134,283.56 = 36,917.25/x
  3. Step 3: Cross multiply
    89,504.61x = 134,283.56 × 36,917.25
  4. Step 4: Simplify right side
    89,504.61x = 4,957,379,570.82
  5. Step 5: Solve for x
    x = 4,957,379,570.82/89,504.61
  6. Step 6: Final answer
    x = 55,386.86

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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.