Home / 85,843.05-118,464.85-47,604.21

Finding the Fourth Proportional to 85,843.05, 118,464.85 and 47,604.21

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Solution

The fourth proportional to 85,843.05, 118,464.85 and 47,604.21 is: 65,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843.05 : 118,464.85 = 47,604.21 : x
  2. Step 2: Convert to fraction form
    85,843.05/118,464.85 = 47,604.21/x
  3. Step 3: Cross multiply
    85,843.05x = 118,464.85 × 47,604.21
  4. Step 4: Simplify right side
    85,843.05x = 5,639,425,597.02
  5. Step 5: Solve for x
    x = 5,639,425,597.02/85,843.05
  6. Step 6: Final answer
    x = 65,694.61

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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.