Home / 43,847.10-65,770.65-43,458.30

Finding the Fourth Proportional to 43,847.10, 65,770.65 and 43,458.30

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Solution

The fourth proportional to 43,847.10, 65,770.65 and 43,458.30 is: 65,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847.10 : 65,770.65 = 43,458.30 : x
  2. Step 2: Convert to fraction form
    43,847.10/65,770.65 = 43,458.30/x
  3. Step 3: Cross multiply
    43,847.10x = 65,770.65 × 43,458.30
  4. Step 4: Simplify right side
    43,847.10x = 2,858,280,638.90
  5. Step 5: Solve for x
    x = 2,858,280,638.90/43,847.10
  6. Step 6: Final answer
    x = 65,187.45

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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.