Home / 112,945.38-169,383.50-38,045.44

Finding the Fourth Proportional to 112,945.38, 169,383.50 and 38,045.44

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Solution

The fourth proportional to 112,945.38, 169,383.50 and 38,045.44 is: 57,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.38 : 169,383.50 = 38,045.44 : x
  2. Step 2: Convert to fraction form
    112,945.38/169,383.50 = 38,045.44/x
  3. Step 3: Cross multiply
    112,945.38x = 169,383.50 × 38,045.44
  4. Step 4: Simplify right side
    112,945.38x = 6,444,269,786.24
  5. Step 5: Solve for x
    x = 6,444,269,786.24/112,945.38
  6. Step 6: Final answer
    x = 57,056.52

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1.5x scale

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.