Home / 55,102.49-82,661.53-17,653.81

Finding the Fourth Proportional to 55,102.49, 82,661.53 and 17,653.81

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Solution

The fourth proportional to 55,102.49, 82,661.53 and 17,653.81 is: 26,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.49 : 82,661.53 = 17,653.81 : x
  2. Step 2: Convert to fraction form
    55,102.49/82,661.53 = 17,653.81/x
  3. Step 3: Cross multiply
    55,102.49x = 82,661.53 × 17,653.81
  4. Step 4: Simplify right side
    55,102.49x = 1,459,290,546.68
  5. Step 5: Solve for x
    x = 1,459,290,546.68/55,102.49
  6. Step 6: Final answer
    x = 26,483.20

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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.