Home / 69,128.54-95,346.45-52,133.49

Finding the Fourth Proportional to 69,128.54, 95,346.45 and 52,133.49

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Solution

The fourth proportional to 69,128.54, 95,346.45 and 52,133.49 is: 71,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,128.54 : 95,346.45 = 52,133.49 : x
  2. Step 2: Convert to fraction form
    69,128.54/95,346.45 = 52,133.49/x
  3. Step 3: Cross multiply
    69,128.54x = 95,346.45 × 52,133.49
  4. Step 4: Simplify right side
    69,128.54x = 4,970,743,359.66
  5. Step 5: Solve for x
    x = 4,970,743,359.66/69,128.54
  6. Step 6: Final answer
    x = 71,905.81

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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.