Home / 112,939.17-169,399.53-38,057.66

Finding the Fourth Proportional to 112,939.17, 169,399.53 and 38,057.66

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Solution

The fourth proportional to 112,939.17, 169,399.53 and 38,057.66 is: 57,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.17 : 169,399.53 = 38,057.66 : x
  2. Step 2: Convert to fraction form
    112,939.17/169,399.53 = 38,057.66/x
  3. Step 3: Cross multiply
    112,939.17x = 169,399.53 × 38,057.66
  4. Step 4: Simplify right side
    112,939.17x = 6,446,948,921.68
  5. Step 5: Solve for x
    x = 6,446,948,921.68/112,939.17
  6. Step 6: Final answer
    x = 57,083.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.