Home / 85,846.21-118,467.39-48,120.46

Finding the Fourth Proportional to 85,846.21, 118,467.39 and 48,120.46

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Solution

The fourth proportional to 85,846.21, 118,467.39 and 48,120.46 is: 66,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846.21 : 118,467.39 = 48,120.46 : x
  2. Step 2: Convert to fraction form
    85,846.21/118,467.39 = 48,120.46/x
  3. Step 3: Cross multiply
    85,846.21x = 118,467.39 × 48,120.46
  4. Step 4: Simplify right side
    85,846.21x = 5,700,704,709.46
  5. Step 5: Solve for x
    x = 5,700,704,709.46/85,846.21
  6. Step 6: Final answer
    x = 66,406.02

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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.