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Finding the Fourth Proportional to 64,093.84, 88,374.47 and 43,687.99

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Solution

The fourth proportional to 64,093.84, 88,374.47 and 43,687.99 is: 60,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,093.84 : 88,374.47 = 43,687.99 : x
  2. Step 2: Convert to fraction form
    64,093.84/88,374.47 = 43,687.99/x
  3. Step 3: Cross multiply
    64,093.84x = 88,374.47 × 43,687.99
  4. Step 4: Simplify right side
    64,093.84x = 3,860,902,961.62
  5. Step 5: Solve for x
    x = 3,860,902,961.62/64,093.84
  6. Step 6: Final answer
    x = 60,238.28

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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.