Home / 64,725.78-89,349.22-43,517.35

Finding the Fourth Proportional to 64,725.78, 89,349.22 and 43,517.35

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Solution

The fourth proportional to 64,725.78, 89,349.22 and 43,517.35 is: 60,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.78 : 89,349.22 = 43,517.35 : x
  2. Step 2: Convert to fraction form
    64,725.78/89,349.22 = 43,517.35/x
  3. Step 3: Cross multiply
    64,725.78x = 89,349.22 × 43,517.35
  4. Step 4: Simplify right side
    64,725.78x = 3,888,241,278.97
  5. Step 5: Solve for x
    x = 3,888,241,278.97/64,725.78
  6. Step 6: Final answer
    x = 60,072.53

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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.