Home / 61,229.01-91,821.58-21,778.26

Finding the Fourth Proportional to 61,229.01, 91,821.58 and 21,778.26

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Solution

The fourth proportional to 61,229.01, 91,821.58 and 21,778.26 is: 32,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,229.01 : 91,821.58 = 21,778.26 : x
  2. Step 2: Convert to fraction form
    61,229.01/91,821.58 = 21,778.26/x
  3. Step 3: Cross multiply
    61,229.01x = 91,821.58 × 21,778.26
  4. Step 4: Simplify right side
    61,229.01x = 1,999,714,133.96
  5. Step 5: Solve for x
    x = 1,999,714,133.96/61,229.01
  6. Step 6: Final answer
    x = 32,659.59

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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.