Home / 43,729.20-65,593.80-40,100.40

Finding the Fourth Proportional to 43,729.20, 65,593.80 and 40,100.40

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Solution

The fourth proportional to 43,729.20, 65,593.80 and 40,100.40 is: 60,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.20 : 65,593.80 = 40,100.40 : x
  2. Step 2: Convert to fraction form
    43,729.20/65,593.80 = 40,100.40/x
  3. Step 3: Cross multiply
    43,729.20x = 65,593.80 × 40,100.40
  4. Step 4: Simplify right side
    43,729.20x = 2,630,337,617.52
  5. Step 5: Solve for x
    x = 2,630,337,617.52/43,729.20
  6. Step 6: Final answer
    x = 60,150.60

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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.