Home / 53,350.20-80,037.18-20,070.54

Finding the Fourth Proportional to 53,350.20, 80,037.18 and 20,070.54

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Solution

The fourth proportional to 53,350.20, 80,037.18 and 20,070.54 is: 30,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,350.20 : 80,037.18 = 20,070.54 : x
  2. Step 2: Convert to fraction form
    53,350.20/80,037.18 = 20,070.54/x
  3. Step 3: Cross multiply
    53,350.20x = 80,037.18 × 20,070.54
  4. Step 4: Simplify right side
    53,350.20x = 1,606,389,422.68
  5. Step 5: Solve for x
    x = 1,606,389,422.68/53,350.20
  6. Step 6: Final answer
    x = 30,110.28

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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.