Home / 54,742.20-81,983.70-37,116.60

Finding the Fourth Proportional to 54,742.20, 81,983.70 and 37,116.60

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Solution

The fourth proportional to 54,742.20, 81,983.70 and 37,116.60 is: 55,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.20 : 81,983.70 = 37,116.60 : x
  2. Step 2: Convert to fraction form
    54,742.20/81,983.70 = 37,116.60/x
  3. Step 3: Cross multiply
    54,742.20x = 81,983.70 × 37,116.60
  4. Step 4: Simplify right side
    54,742.20x = 3,042,956,199.42
  5. Step 5: Solve for x
    x = 3,042,956,199.42/54,742.20
  6. Step 6: Final answer
    x = 55,587.03

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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.