Home / 64,961.26-89,619.42-43,703.62

Finding the Fourth Proportional to 64,961.26, 89,619.42 and 43,703.62

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Solution

The fourth proportional to 64,961.26, 89,619.42 and 43,703.62 is: 60,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,961.26 : 89,619.42 = 43,703.62 : x
  2. Step 2: Convert to fraction form
    64,961.26/89,619.42 = 43,703.62/x
  3. Step 3: Cross multiply
    64,961.26x = 89,619.42 × 43,703.62
  4. Step 4: Simplify right side
    64,961.26x = 3,916,693,076.30
  5. Step 5: Solve for x
    x = 3,916,693,076.30/64,961.26
  6. Step 6: Final answer
    x = 60,292.75

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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.