Home / 51,152.52-76,706.78-17,862.60

Finding the Fourth Proportional to 51,152.52, 76,706.78 and 17,862.60

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Solution

The fourth proportional to 51,152.52, 76,706.78 and 17,862.60 is: 26,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.52 : 76,706.78 = 17,862.60 : x
  2. Step 2: Convert to fraction form
    51,152.52/76,706.78 = 17,862.60/x
  3. Step 3: Cross multiply
    51,152.52x = 76,706.78 × 17,862.60
  4. Step 4: Simplify right side
    51,152.52x = 1,370,182,528.43
  5. Step 5: Solve for x
    x = 1,370,182,528.43/51,152.52
  6. Step 6: Final answer
    x = 26,786.22

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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.