Home / 53,359.43-73,635-29,485.60

Finding the Fourth Proportional to 53,359.43, 73,635 and 29,485.60

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Solution

The fourth proportional to 53,359.43, 73,635 and 29,485.60 is: 40,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,359.43 : 73,635 = 29,485.60 : x
  2. Step 2: Convert to fraction form
    53,359.43/73,635 = 29,485.60/x
  3. Step 3: Cross multiply
    53,359.43x = 73,635 × 29,485.60
  4. Step 4: Simplify right side
    53,359.43x = 2,171,172,156
  5. Step 5: Solve for x
    x = 2,171,172,156/53,359.43
  6. Step 6: Final answer
    x = 40,689.57

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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.