Home / 55,207.20-82,821.60-23,617.20

Finding the Fourth Proportional to 55,207.20, 82,821.60 and 23,617.20

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Solution

The fourth proportional to 55,207.20, 82,821.60 and 23,617.20 is: 35,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.20 : 82,821.60 = 23,617.20 : x
  2. Step 2: Convert to fraction form
    55,207.20/82,821.60 = 23,617.20/x
  3. Step 3: Cross multiply
    55,207.20x = 82,821.60 × 23,617.20
  4. Step 4: Simplify right side
    55,207.20x = 1,956,014,291.52
  5. Step 5: Solve for x
    x = 1,956,014,291.52/55,207.20
  6. Step 6: Final answer
    x = 35,430.42

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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.