Home / 54,742.70-81,984.45-37,117.10

Finding the Fourth Proportional to 54,742.70, 81,984.45 and 37,117.10

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Solution

The fourth proportional to 54,742.70, 81,984.45 and 37,117.10 is: 55,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.70 : 81,984.45 = 37,117.10 : x
  2. Step 2: Convert to fraction form
    54,742.70/81,984.45 = 37,117.10/x
  3. Step 3: Cross multiply
    54,742.70x = 81,984.45 × 37,117.10
  4. Step 4: Simplify right side
    54,742.70x = 3,043,025,029.10
  5. Step 5: Solve for x
    x = 3,043,025,029.10/54,742.70
  6. Step 6: Final answer
    x = 55,587.78

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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.