Home / 55,161.81-82,724.61-17,713.01

Finding the Fourth Proportional to 55,161.81, 82,724.61 and 17,713.01

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Solution

The fourth proportional to 55,161.81, 82,724.61 and 17,713.01 is: 26,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.81 : 82,724.61 = 17,713.01 : x
  2. Step 2: Convert to fraction form
    55,161.81/82,724.61 = 17,713.01/x
  3. Step 3: Cross multiply
    55,161.81x = 82,724.61 × 17,713.01
  4. Step 4: Simplify right side
    55,161.81x = 1,465,301,430.55
  5. Step 5: Solve for x
    x = 1,465,301,430.55/55,161.81
  6. Step 6: Final answer
    x = 26,563.69

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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.