Home / 54,917.70-75,783.42-31,043.04

Finding the Fourth Proportional to 54,917.70, 75,783.42 and 31,043.04

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Solution

The fourth proportional to 54,917.70, 75,783.42 and 31,043.04 is: 42,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.70 : 75,783.42 = 31,043.04 : x
  2. Step 2: Convert to fraction form
    54,917.70/75,783.42 = 31,043.04/x
  3. Step 3: Cross multiply
    54,917.70x = 75,783.42 × 31,043.04
  4. Step 4: Simplify right side
    54,917.70x = 2,352,547,738.40
  5. Step 5: Solve for x
    x = 2,352,547,738.40/54,917.70
  6. Step 6: Final answer
    x = 42,837.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.