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Finding the Fourth Proportional to 64,558.82, 96,813.63 and 25,111.22

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Solution

The fourth proportional to 64,558.82, 96,813.63 and 25,111.22 is: 37,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.82 : 96,813.63 = 25,111.22 : x
  2. Step 2: Convert to fraction form
    64,558.82/96,813.63 = 25,111.22/x
  3. Step 3: Cross multiply
    64,558.82x = 96,813.63 × 25,111.22
  4. Step 4: Simplify right side
    64,558.82x = 2,431,108,361.93
  5. Step 5: Solve for x
    x = 2,431,108,361.93/64,558.82
  6. Step 6: Final answer
    x = 37,657.26

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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.