Home / 53,126.52-73,314.04-31,631

Finding the Fourth Proportional to 53,126.52, 73,314.04 and 31,631

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Solution

The fourth proportional to 53,126.52, 73,314.04 and 31,631 is: 43,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,126.52 : 73,314.04 = 31,631 : x
  2. Step 2: Convert to fraction form
    53,126.52/73,314.04 = 31,631/x
  3. Step 3: Cross multiply
    53,126.52x = 73,314.04 × 31,631
  4. Step 4: Simplify right side
    53,126.52x = 2,318,996,399.24
  5. Step 5: Solve for x
    x = 2,318,996,399.24/53,126.52
  6. Step 6: Final answer
    x = 43,650.45

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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.