Home / 43,675.10-65,512.65-43,286.30

Finding the Fourth Proportional to 43,675.10, 65,512.65 and 43,286.30

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Solution

The fourth proportional to 43,675.10, 65,512.65 and 43,286.30 is: 64,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.10 : 65,512.65 = 43,286.30 : x
  2. Step 2: Convert to fraction form
    43,675.10/65,512.65 = 43,286.30/x
  3. Step 3: Cross multiply
    43,675.10x = 65,512.65 × 43,286.30
  4. Step 4: Simplify right side
    43,675.10x = 2,835,800,221.70
  5. Step 5: Solve for x
    x = 2,835,800,221.70/43,675.10
  6. Step 6: Final answer
    x = 64,929.45

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1.5x scale

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.