Home / 53,344.15-80,027.78-28,380.59

Finding the Fourth Proportional to 53,344.15, 80,027.78 and 28,380.59

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Solution

The fourth proportional to 53,344.15, 80,027.78 and 28,380.59 is: 42,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,344.15 : 80,027.78 = 28,380.59 : x
  2. Step 2: Convert to fraction form
    53,344.15/80,027.78 = 28,380.59/x
  3. Step 3: Cross multiply
    53,344.15x = 80,027.78 × 28,380.59
  4. Step 4: Simplify right side
    53,344.15x = 2,271,235,070.75
  5. Step 5: Solve for x
    x = 2,271,235,070.75/53,344.15
  6. Step 6: Final answer
    x = 42,577.02

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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.