Home / 53,773.36-74,213.14-30,805.36

Finding the Fourth Proportional to 53,773.36, 74,213.14 and 30,805.36

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Solution

The fourth proportional to 53,773.36, 74,213.14 and 30,805.36 is: 42,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,773.36 : 74,213.14 = 30,805.36 : x
  2. Step 2: Convert to fraction form
    53,773.36/74,213.14 = 30,805.36/x
  3. Step 3: Cross multiply
    53,773.36x = 74,213.14 × 30,805.36
  4. Step 4: Simplify right side
    53,773.36x = 2,286,162,046.35
  5. Step 5: Solve for x
    x = 2,286,162,046.35/53,773.36
  6. Step 6: Final answer
    x = 42,514.77

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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.