Home / 53,179.20-79,833.60-52,790.40

Finding the Fourth Proportional to 53,179.20, 79,833.60 and 52,790.40

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Solution

The fourth proportional to 53,179.20, 79,833.60 and 52,790.40 is: 79,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.20 : 79,833.60 = 52,790.40 : x
  2. Step 2: Convert to fraction form
    53,179.20/79,833.60 = 52,790.40/x
  3. Step 3: Cross multiply
    53,179.20x = 79,833.60 × 52,790.40
  4. Step 4: Simplify right side
    53,179.20x = 4,214,447,677.44
  5. Step 5: Solve for x
    x = 4,214,447,677.44/53,179.20
  6. Step 6: Final answer
    x = 79,249.93

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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.