Home / 48,272.20-72,408.30-46,659.40

Finding the Fourth Proportional to 48,272.20, 72,408.30 and 46,659.40

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Solution

The fourth proportional to 48,272.20, 72,408.30 and 46,659.40 is: 69,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.20 : 72,408.30 = 46,659.40 : x
  2. Step 2: Convert to fraction form
    48,272.20/72,408.30 = 46,659.40/x
  3. Step 3: Cross multiply
    48,272.20x = 72,408.30 × 46,659.40
  4. Step 4: Simplify right side
    48,272.20x = 3,378,527,833.02
  5. Step 5: Solve for x
    x = 3,378,527,833.02/48,272.20
  6. Step 6: Final answer
    x = 69,989.10

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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.