Home / 55,333.12-82,975.20-15,881.08

Finding the Fourth Proportional to 55,333.12, 82,975.20 and 15,881.08

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Solution

The fourth proportional to 55,333.12, 82,975.20 and 15,881.08 is: 23,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.12 : 82,975.20 = 15,881.08 : x
  2. Step 2: Convert to fraction form
    55,333.12/82,975.20 = 15,881.08/x
  3. Step 3: Cross multiply
    55,333.12x = 82,975.20 × 15,881.08
  4. Step 4: Simplify right side
    55,333.12x = 1,317,735,789.22
  5. Step 5: Solve for x
    x = 1,317,735,789.22/55,333.12
  6. Step 6: Final answer
    x = 23,814.59

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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.