Home / 71,128.14-98,033.43-51,976.62

Finding the Fourth Proportional to 71,128.14, 98,033.43 and 51,976.62

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Solution

The fourth proportional to 71,128.14, 98,033.43 and 51,976.62 is: 71,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,128.14 : 98,033.43 = 51,976.62 : x
  2. Step 2: Convert to fraction form
    71,128.14/98,033.43 = 51,976.62/x
  3. Step 3: Cross multiply
    71,128.14x = 98,033.43 × 51,976.62
  4. Step 4: Simplify right side
    71,128.14x = 5,095,446,338.41
  5. Step 5: Solve for x
    x = 5,095,446,338.41/71,128.14
  6. Step 6: Final answer
    x = 71,637.56

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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.