Home / 61,664.32-85,001.70-50,313.79

Finding the Fourth Proportional to 61,664.32, 85,001.70 and 50,313.79

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Solution

The fourth proportional to 61,664.32, 85,001.70 and 50,313.79 is: 69,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.32 : 85,001.70 = 50,313.79 : x
  2. Step 2: Convert to fraction form
    61,664.32/85,001.70 = 50,313.79/x
  3. Step 3: Cross multiply
    61,664.32x = 85,001.70 × 50,313.79
  4. Step 4: Simplify right side
    61,664.32x = 4,276,757,683.44
  5. Step 5: Solve for x
    x = 4,276,757,683.44/61,664.32
  6. Step 6: Final answer
    x = 69,355.47

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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.