Home / 53,540.73-73,893.96-30,875.21

Finding the Fourth Proportional to 53,540.73, 73,893.96 and 30,875.21

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Solution

The fourth proportional to 53,540.73, 73,893.96 and 30,875.21 is: 42,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.73 : 73,893.96 = 30,875.21 : x
  2. Step 2: Convert to fraction form
    53,540.73/73,893.96 = 30,875.21/x
  3. Step 3: Cross multiply
    53,540.73x = 73,893.96 × 30,875.21
  4. Step 4: Simplify right side
    53,540.73x = 2,281,491,532.73
  5. Step 5: Solve for x
    x = 2,281,491,532.73/53,540.73
  6. Step 6: Final answer
    x = 42,612.26

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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.