Home / 53,560.58-80,329.35-33,812.78

Finding the Fourth Proportional to 53,560.58, 80,329.35 and 33,812.78

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Solution

The fourth proportional to 53,560.58, 80,329.35 and 33,812.78 is: 50,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.58 : 80,329.35 = 33,812.78 : x
  2. Step 2: Convert to fraction form
    53,560.58/80,329.35 = 33,812.78/x
  3. Step 3: Cross multiply
    53,560.58x = 80,329.35 × 33,812.78
  4. Step 4: Simplify right side
    53,560.58x = 2,716,158,639.09
  5. Step 5: Solve for x
    x = 2,716,158,639.09/53,560.58
  6. Step 6: Final answer
    x = 50,711.90

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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.