Home / 53,129.25-73,311.99-30,467.07

Finding the Fourth Proportional to 53,129.25, 73,311.99 and 30,467.07

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Solution

The fourth proportional to 53,129.25, 73,311.99 and 30,467.07 is: 42,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.25 : 73,311.99 = 30,467.07 : x
  2. Step 2: Convert to fraction form
    53,129.25/73,311.99 = 30,467.07/x
  3. Step 3: Cross multiply
    53,129.25x = 73,311.99 × 30,467.07
  4. Step 4: Simplify right side
    53,129.25x = 2,233,601,416.92
  5. Step 5: Solve for x
    x = 2,233,601,416.92/53,129.25
  6. Step 6: Final answer
    x = 42,040.90

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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.