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Finding the Fourth Proportional to 65,152.44, 89,905.41 and 36,859.95

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Solution

The fourth proportional to 65,152.44, 89,905.41 and 36,859.95 is: 50,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,152.44 : 89,905.41 = 36,859.95 : x
  2. Step 2: Convert to fraction form
    65,152.44/89,905.41 = 36,859.95/x
  3. Step 3: Cross multiply
    65,152.44x = 89,905.41 × 36,859.95
  4. Step 4: Simplify right side
    65,152.44x = 3,313,908,917.33
  5. Step 5: Solve for x
    x = 3,313,908,917.33/65,152.44
  6. Step 6: Final answer
    x = 50,863.93

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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.