Home / 112,939.33-169,399.76-38,057.81

Finding the Fourth Proportional to 112,939.33, 169,399.76 and 38,057.81

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Solution

The fourth proportional to 112,939.33, 169,399.76 and 38,057.81 is: 57,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.33 : 169,399.76 = 38,057.81 : x
  2. Step 2: Convert to fraction form
    112,939.33/169,399.76 = 38,057.81/x
  3. Step 3: Cross multiply
    112,939.33x = 169,399.76 × 38,057.81
  4. Step 4: Simplify right side
    112,939.33x = 6,446,983,880.13
  5. Step 5: Solve for x
    x = 6,446,983,880.13/112,939.33
  6. Step 6: Final answer
    x = 57,083.60

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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.