Home / 53,673.73-80,503.30-20,402.17

Finding the Fourth Proportional to 53,673.73, 80,503.30 and 20,402.17

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Solution

The fourth proportional to 53,673.73, 80,503.30 and 20,402.17 is: 30,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.73 : 80,503.30 = 20,402.17 : x
  2. Step 2: Convert to fraction form
    53,673.73/80,503.30 = 20,402.17/x
  3. Step 3: Cross multiply
    53,673.73x = 80,503.30 × 20,402.17
  4. Step 4: Simplify right side
    53,673.73x = 1,642,442,012.16
  5. Step 5: Solve for x
    x = 1,642,442,012.16/53,673.73
  6. Step 6: Final answer
    x = 30,600.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.