Home / 55,164.61-82,749.85-17,721.76

Finding the Fourth Proportional to 55,164.61, 82,749.85 and 17,721.76

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Solution

The fourth proportional to 55,164.61, 82,749.85 and 17,721.76 is: 26,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164.61 : 82,749.85 = 17,721.76 : x
  2. Step 2: Convert to fraction form
    55,164.61/82,749.85 = 17,721.76/x
  3. Step 3: Cross multiply
    55,164.61x = 82,749.85 × 17,721.76
  4. Step 4: Simplify right side
    55,164.61x = 1,466,473,218.13
  5. Step 5: Solve for x
    x = 1,466,473,218.13/55,164.61
  6. Step 6: Final answer
    x = 26,583.59

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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.