Home / 53,129.98-73,311.58-30,469.92

Finding the Fourth Proportional to 53,129.98, 73,311.58 and 30,469.92

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Solution

The fourth proportional to 53,129.98, 73,311.58 and 30,469.92 is: 42,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.98 : 73,311.58 = 30,469.92 : x
  2. Step 2: Convert to fraction form
    53,129.98/73,311.58 = 30,469.92/x
  3. Step 3: Cross multiply
    53,129.98x = 73,311.58 × 30,469.92
  4. Step 4: Simplify right side
    53,129.98x = 2,233,798,153.22
  5. Step 5: Solve for x
    x = 2,233,798,153.22/53,129.98
  6. Step 6: Final answer
    x = 42,044.03

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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.