Home / 65,080.22-97,618.50-20,709.64

Finding the Fourth Proportional to 65,080.22, 97,618.50 and 20,709.64

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Solution

The fourth proportional to 65,080.22, 97,618.50 and 20,709.64 is: 31,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,080.22 : 97,618.50 = 20,709.64 : x
  2. Step 2: Convert to fraction form
    65,080.22/97,618.50 = 20,709.64/x
  3. Step 3: Cross multiply
    65,080.22x = 97,618.50 × 20,709.64
  4. Step 4: Simplify right side
    65,080.22x = 2,021,643,992.34
  5. Step 5: Solve for x
    x = 2,021,643,992.34/65,080.22
  6. Step 6: Final answer
    x = 31,063.88

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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.