Home / 53,102.94-73,282.27-30,442.43

Finding the Fourth Proportional to 53,102.94, 73,282.27 and 30,442.43

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Solution

The fourth proportional to 53,102.94, 73,282.27 and 30,442.43 is: 42,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,102.94 : 73,282.27 = 30,442.43 : x
  2. Step 2: Convert to fraction form
    53,102.94/73,282.27 = 30,442.43/x
  3. Step 3: Cross multiply
    53,102.94x = 73,282.27 × 30,442.43
  4. Step 4: Simplify right side
    53,102.94x = 2,230,890,538.90
  5. Step 5: Solve for x
    x = 2,230,890,538.90/53,102.94
  6. Step 6: Final answer
    x = 42,010.68

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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.