Home / 53,682.78-74,093.12-31,022.73

Finding the Fourth Proportional to 53,682.78, 74,093.12 and 31,022.73

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Solution

The fourth proportional to 53,682.78, 74,093.12 and 31,022.73 is: 42,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.78 : 74,093.12 = 31,022.73 : x
  2. Step 2: Convert to fraction form
    53,682.78/74,093.12 = 31,022.73/x
  3. Step 3: Cross multiply
    53,682.78x = 74,093.12 × 31,022.73
  4. Step 4: Simplify right side
    53,682.78x = 2,298,570,856.62
  5. Step 5: Solve for x
    x = 2,298,570,856.62/53,682.78
  6. Step 6: Final answer
    x = 42,817.66

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1.5x scale

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.