Home / 53,616.62-73,991.27-30,956.54

Finding the Fourth Proportional to 53,616.62, 73,991.27 and 30,956.54

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Solution

The fourth proportional to 53,616.62, 73,991.27 and 30,956.54 is: 42,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.62 : 73,991.27 = 30,956.54 : x
  2. Step 2: Convert to fraction form
    53,616.62/73,991.27 = 30,956.54/x
  3. Step 3: Cross multiply
    53,616.62x = 73,991.27 × 30,956.54
  4. Step 4: Simplify right side
    53,616.62x = 2,290,513,416.84
  5. Step 5: Solve for x
    x = 2,290,513,416.84/53,616.62
  6. Step 6: Final answer
    x = 42,720.21

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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.