Home / 93,989.26-129,708.03-51,550.66

Finding the Fourth Proportional to 93,989.26, 129,708.03 and 51,550.66

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Solution

The fourth proportional to 93,989.26, 129,708.03 and 51,550.66 is: 71,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,989.26 : 129,708.03 = 51,550.66 : x
  2. Step 2: Convert to fraction form
    93,989.26/129,708.03 = 51,550.66/x
  3. Step 3: Cross multiply
    93,989.26x = 129,708.03 × 51,550.66
  4. Step 4: Simplify right side
    93,989.26x = 6,686,534,553.80
  5. Step 5: Solve for x
    x = 6,686,534,553.80/93,989.26
  6. Step 6: Final answer
    x = 71,141.47

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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.