Home / 54,693.20-82,039.80-35,998.40

Finding the Fourth Proportional to 54,693.20, 82,039.80 and 35,998.40

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Solution

The fourth proportional to 54,693.20, 82,039.80 and 35,998.40 is: 53,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.20 : 82,039.80 = 35,998.40 : x
  2. Step 2: Convert to fraction form
    54,693.20/82,039.80 = 35,998.40/x
  3. Step 3: Cross multiply
    54,693.20x = 82,039.80 × 35,998.40
  4. Step 4: Simplify right side
    54,693.20x = 2,953,301,536.32
  5. Step 5: Solve for x
    x = 2,953,301,536.32/54,693.20
  6. Step 6: Final answer
    x = 53,997.60

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Similar ratio
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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.