Home / 65,183.45-97,776.86-20,810.16

Finding the Fourth Proportional to 65,183.45, 97,776.86 and 20,810.16

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Solution

The fourth proportional to 65,183.45, 97,776.86 and 20,810.16 is: 31,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.45 : 97,776.86 = 20,810.16 : x
  2. Step 2: Convert to fraction form
    65,183.45/97,776.86 = 20,810.16/x
  3. Step 3: Cross multiply
    65,183.45x = 97,776.86 × 20,810.16
  4. Step 4: Simplify right side
    65,183.45x = 2,034,751,996.85
  5. Step 5: Solve for x
    x = 2,034,751,996.85/65,183.45
  6. Step 6: Final answer
    x = 31,215.78

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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.