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Finding the Fourth Proportional to 60,112.64, 90,164.62 and 26,835.68

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Solution

The fourth proportional to 60,112.64, 90,164.62 and 26,835.68 is: 40,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,112.64 : 90,164.62 = 26,835.68 : x
  2. Step 2: Convert to fraction form
    60,112.64/90,164.62 = 26,835.68/x
  3. Step 3: Cross multiply
    60,112.64x = 90,164.62 × 26,835.68
  4. Step 4: Simplify right side
    60,112.64x = 2,419,628,889.64
  5. Step 5: Solve for x
    x = 2,419,628,889.64/60,112.64
  6. Step 6: Final answer
    x = 40,251.58

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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.