Home / 84,383.03-126,535.46-31,061.54

Finding the Fourth Proportional to 84,383.03, 126,535.46 and 31,061.54

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Solution

The fourth proportional to 84,383.03, 126,535.46 and 31,061.54 is: 46,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,383.03 : 126,535.46 = 31,061.54 : x
  2. Step 2: Convert to fraction form
    84,383.03/126,535.46 = 31,061.54/x
  3. Step 3: Cross multiply
    84,383.03x = 126,535.46 × 31,061.54
  4. Step 4: Simplify right side
    84,383.03x = 3,930,385,464.22
  5. Step 5: Solve for x
    x = 3,930,385,464.22/84,383.03
  6. Step 6: Final answer
    x = 46,577.92

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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.