Home / 81,645.03-122,434.34-25,466.27

Finding the Fourth Proportional to 81,645.03, 122,434.34 and 25,466.27

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Solution

The fourth proportional to 81,645.03, 122,434.34 and 25,466.27 is: 38,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,645.03 : 122,434.34 = 25,466.27 : x
  2. Step 2: Convert to fraction form
    81,645.03/122,434.34 = 25,466.27/x
  3. Step 3: Cross multiply
    81,645.03x = 122,434.34 × 25,466.27
  4. Step 4: Simplify right side
    81,645.03x = 3,117,945,220.21
  5. Step 5: Solve for x
    x = 3,117,945,220.21/81,645.03
  6. Step 6: Final answer
    x = 38,189.04

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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.