Home / 53,796.13-80,693.28-18,734.87

Finding the Fourth Proportional to 53,796.13, 80,693.28 and 18,734.87

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Solution

The fourth proportional to 53,796.13, 80,693.28 and 18,734.87 is: 28,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,796.13 : 80,693.28 = 18,734.87 : x
  2. Step 2: Convert to fraction form
    53,796.13/80,693.28 = 18,734.87/x
  3. Step 3: Cross multiply
    53,796.13x = 80,693.28 × 18,734.87
  4. Step 4: Simplify right side
    53,796.13x = 1,511,778,312.41
  5. Step 5: Solve for x
    x = 1,511,778,312.41/53,796.13
  6. Step 6: Final answer
    x = 28,101.99

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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.