Home / 53,131.48-73,318.52-29,253.64

Finding the Fourth Proportional to 53,131.48, 73,318.52 and 29,253.64

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Solution

The fourth proportional to 53,131.48, 73,318.52 and 29,253.64 is: 40,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.48 : 73,318.52 = 29,253.64 : x
  2. Step 2: Convert to fraction form
    53,131.48/73,318.52 = 29,253.64/x
  3. Step 3: Cross multiply
    53,131.48x = 73,318.52 × 29,253.64
  4. Step 4: Simplify right side
    53,131.48x = 2,144,833,589.41
  5. Step 5: Solve for x
    x = 2,144,833,589.41/53,131.48
  6. Step 6: Final answer
    x = 40,368.41

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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.