Home / 55,271.49-82,906.88-15,828.75

Finding the Fourth Proportional to 55,271.49, 82,906.88 and 15,828.75

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Solution

The fourth proportional to 55,271.49, 82,906.88 and 15,828.75 is: 23,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.49 : 82,906.88 = 15,828.75 : x
  2. Step 2: Convert to fraction form
    55,271.49/82,906.88 = 15,828.75/x
  3. Step 3: Cross multiply
    55,271.49x = 82,906.88 × 15,828.75
  4. Step 4: Simplify right side
    55,271.49x = 1,312,311,862.27
  5. Step 5: Solve for x
    x = 1,312,311,862.27/55,271.49
  6. Step 6: Final answer
    x = 23,743.02

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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.