Home / 53,682.31-74,081.82-29,808.91

Finding the Fourth Proportional to 53,682.31, 74,081.82 and 29,808.91

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Solution

The fourth proportional to 53,682.31, 74,081.82 and 29,808.91 is: 41,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.31 : 74,081.82 = 29,808.91 : x
  2. Step 2: Convert to fraction form
    53,682.31/74,081.82 = 29,808.91/x
  3. Step 3: Cross multiply
    53,682.31x = 74,081.82 × 29,808.91
  4. Step 4: Simplify right side
    53,682.31x = 2,208,298,305.02
  5. Step 5: Solve for x
    x = 2,208,298,305.02/53,682.31
  6. Step 6: Final answer
    x = 41,136.42

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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.