Home / 55,165.13-82,736.70-15,173.75

Finding the Fourth Proportional to 55,165.13, 82,736.70 and 15,173.75

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Solution

The fourth proportional to 55,165.13, 82,736.70 and 15,173.75 is: 22,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.13 : 82,736.70 = 15,173.75 : x
  2. Step 2: Convert to fraction form
    55,165.13/82,736.70 = 15,173.75/x
  3. Step 3: Cross multiply
    55,165.13x = 82,736.70 × 15,173.75
  4. Step 4: Simplify right side
    55,165.13x = 1,255,426,001.63
  5. Step 5: Solve for x
    x = 1,255,426,001.63/55,165.13
  6. Step 6: Final answer
    x = 22,757.60

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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.