Home / 65,685.58-98,519.45-25,676.73

Finding the Fourth Proportional to 65,685.58, 98,519.45 and 25,676.73

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Solution

The fourth proportional to 65,685.58, 98,519.45 and 25,676.73 is: 38,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,685.58 : 98,519.45 = 25,676.73 : x
  2. Step 2: Convert to fraction form
    65,685.58/98,519.45 = 25,676.73/x
  3. Step 3: Cross multiply
    65,685.58x = 98,519.45 × 25,676.73
  4. Step 4: Simplify right side
    65,685.58x = 2,529,657,189.01
  5. Step 5: Solve for x
    x = 2,529,657,189.01/65,685.58
  6. Step 6: Final answer
    x = 38,511.61

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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.