Home / 54,873.10-82,309.65-53,998.30

Finding the Fourth Proportional to 54,873.10, 82,309.65 and 53,998.30

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Solution

The fourth proportional to 54,873.10, 82,309.65 and 53,998.30 is: 80,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.10 : 82,309.65 = 53,998.30 : x
  2. Step 2: Convert to fraction form
    54,873.10/82,309.65 = 53,998.30/x
  3. Step 3: Cross multiply
    54,873.10x = 82,309.65 × 53,998.30
  4. Step 4: Simplify right side
    54,873.10x = 4,444,581,173.60
  5. Step 5: Solve for x
    x = 4,444,581,173.60/54,873.10
  6. Step 6: Final answer
    x = 80,997.45

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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.