Home / 85,921.37-118,568.39-47,682.59

Finding the Fourth Proportional to 85,921.37, 118,568.39 and 47,682.59

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Solution

The fourth proportional to 85,921.37, 118,568.39 and 47,682.59 is: 65,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,921.37 : 118,568.39 = 47,682.59 : x
  2. Step 2: Convert to fraction form
    85,921.37/118,568.39 = 47,682.59/x
  3. Step 3: Cross multiply
    85,921.37x = 118,568.39 × 47,682.59
  4. Step 4: Simplify right side
    85,921.37x = 5,653,647,096.08
  5. Step 5: Solve for x
    x = 5,653,647,096.08/85,921.37
  6. Step 6: Final answer
    x = 65,800.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.