Home / 55,282.52-82,938.14-15,842.72

Finding the Fourth Proportional to 55,282.52, 82,938.14 and 15,842.72

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Solution

The fourth proportional to 55,282.52, 82,938.14 and 15,842.72 is: 23,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.52 : 82,938.14 = 15,842.72 : x
  2. Step 2: Convert to fraction form
    55,282.52/82,938.14 = 15,842.72/x
  3. Step 3: Cross multiply
    55,282.52x = 82,938.14 × 15,842.72
  4. Step 4: Simplify right side
    55,282.52x = 1,313,965,729.34
  5. Step 5: Solve for x
    x = 1,313,965,729.34/55,282.52
  6. Step 6: Final answer
    x = 23,768.20

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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.