Home / 53,705.21-80,589.02-22,118.45

Finding the Fourth Proportional to 53,705.21, 80,589.02 and 22,118.45

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Solution

The fourth proportional to 53,705.21, 80,589.02 and 22,118.45 is: 33,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.21 : 80,589.02 = 22,118.45 : x
  2. Step 2: Convert to fraction form
    53,705.21/80,589.02 = 22,118.45/x
  3. Step 3: Cross multiply
    53,705.21x = 80,589.02 × 22,118.45
  4. Step 4: Simplify right side
    53,705.21x = 1,782,503,695.88
  5. Step 5: Solve for x
    x = 1,782,503,695.88/53,705.21
  6. Step 6: Final answer
    x = 33,190.52

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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.