Home / 53,834.68-80,775.42-20,564.92

Finding the Fourth Proportional to 53,834.68, 80,775.42 and 20,564.92

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Solution

The fourth proportional to 53,834.68, 80,775.42 and 20,564.92 is: 30,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.68 : 80,775.42 = 20,564.92 : x
  2. Step 2: Convert to fraction form
    53,834.68/80,775.42 = 20,564.92/x
  3. Step 3: Cross multiply
    53,834.68x = 80,775.42 × 20,564.92
  4. Step 4: Simplify right side
    53,834.68x = 1,661,140,050.27
  5. Step 5: Solve for x
    x = 1,661,140,050.27/53,834.68
  6. Step 6: Final answer
    x = 30,856.32

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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.