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Finding the Fourth Proportional to 84,361.52, 116,418.64 and 46,635.52

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Solution

The fourth proportional to 84,361.52, 116,418.64 and 46,635.52 is: 64,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,361.52 : 116,418.64 = 46,635.52 : x
  2. Step 2: Convert to fraction form
    84,361.52/116,418.64 = 46,635.52/x
  3. Step 3: Cross multiply
    84,361.52x = 116,418.64 × 46,635.52
  4. Step 4: Simplify right side
    84,361.52x = 5,429,243,814.09
  5. Step 5: Solve for x
    x = 5,429,243,814.09/84,361.52
  6. Step 6: Final answer
    x = 64,356.88

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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.