Home / 55,271.78-82,907.33-15,828.96

Finding the Fourth Proportional to 55,271.78, 82,907.33 and 15,828.96

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Solution

The fourth proportional to 55,271.78, 82,907.33 and 15,828.96 is: 23,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.78 : 82,907.33 = 15,828.96 : x
  2. Step 2: Convert to fraction form
    55,271.78/82,907.33 = 15,828.96/x
  3. Step 3: Cross multiply
    55,271.78x = 82,907.33 × 15,828.96
  4. Step 4: Simplify right side
    55,271.78x = 1,312,336,731.13
  5. Step 5: Solve for x
    x = 1,312,336,731.13/55,271.78
  6. Step 6: Final answer
    x = 23,743.34

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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.