Home / 86,074.28-118,785.39-47,835.44

Finding the Fourth Proportional to 86,074.28, 118,785.39 and 47,835.44

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Solution

The fourth proportional to 86,074.28, 118,785.39 and 47,835.44 is: 66,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.28 : 118,785.39 = 47,835.44 : x
  2. Step 2: Convert to fraction form
    86,074.28/118,785.39 = 47,835.44/x
  3. Step 3: Cross multiply
    86,074.28x = 118,785.39 × 47,835.44
  4. Step 4: Simplify right side
    86,074.28x = 5,682,150,563.12
  5. Step 5: Solve for x
    x = 5,682,150,563.12/86,074.28
  6. Step 6: Final answer
    x = 66,014.50

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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.