Home / 53,135.73-73,329.57-30,481.11

Finding the Fourth Proportional to 53,135.73, 73,329.57 and 30,481.11

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Solution

The fourth proportional to 53,135.73, 73,329.57 and 30,481.11 is: 42,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.73 : 73,329.57 = 30,481.11 : x
  2. Step 2: Convert to fraction form
    53,135.73/73,329.57 = 30,481.11/x
  3. Step 3: Cross multiply
    53,135.73x = 73,329.57 × 30,481.11
  4. Step 4: Simplify right side
    53,135.73x = 2,235,166,689.42
  5. Step 5: Solve for x
    x = 2,235,166,689.42/53,135.73
  6. Step 6: Final answer
    x = 42,065.23

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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.