Home / 86,836.41-130,316.88-36,951.54

Finding the Fourth Proportional to 86,836.41, 130,316.88 and 36,951.54

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Solution

The fourth proportional to 86,836.41, 130,316.88 and 36,951.54 is: 55,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,836.41 : 130,316.88 = 36,951.54 : x
  2. Step 2: Convert to fraction form
    86,836.41/130,316.88 = 36,951.54/x
  3. Step 3: Cross multiply
    86,836.41x = 130,316.88 × 36,951.54
  4. Step 4: Simplify right side
    86,836.41x = 4,815,409,404.00
  5. Step 5: Solve for x
    x = 4,815,409,404.00/86,836.41
  6. Step 6: Final answer
    x = 55,453.81

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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.