Home / 54,155.99-74,734.65-30,282.46

Finding the Fourth Proportional to 54,155.99, 74,734.65 and 30,282.46

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Solution

The fourth proportional to 54,155.99, 74,734.65 and 30,282.46 is: 41,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.99 : 74,734.65 = 30,282.46 : x
  2. Step 2: Convert to fraction form
    54,155.99/74,734.65 = 30,282.46/x
  3. Step 3: Cross multiply
    54,155.99x = 74,734.65 × 30,282.46
  4. Step 4: Simplify right side
    54,155.99x = 2,263,148,862.40
  5. Step 5: Solve for x
    x = 2,263,148,862.40/54,155.99
  6. Step 6: Final answer
    x = 41,789.44

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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.