Home / 105,818.54-158,725.74-25,857.03

Finding the Fourth Proportional to 105,818.54, 158,725.74 and 25,857.03

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Solution

The fourth proportional to 105,818.54, 158,725.74 and 25,857.03 is: 38,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.54 : 158,725.74 = 25,857.03 : x
  2. Step 2: Convert to fraction form
    105,818.54/158,725.74 = 25,857.03/x
  3. Step 3: Cross multiply
    105,818.54x = 158,725.74 × 25,857.03
  4. Step 4: Simplify right side
    105,818.54x = 4,104,176,220.95
  5. Step 5: Solve for x
    x = 4,104,176,220.95/105,818.54
  6. Step 6: Final answer
    x = 38,785.04

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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.