Home / 55,166.08-82,698.96-20,097.76

Finding the Fourth Proportional to 55,166.08, 82,698.96 and 20,097.76

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Solution

The fourth proportional to 55,166.08, 82,698.96 and 20,097.76 is: 30,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.08 : 82,698.96 = 20,097.76 : x
  2. Step 2: Convert to fraction form
    55,166.08/82,698.96 = 20,097.76/x
  3. Step 3: Cross multiply
    55,166.08x = 82,698.96 × 20,097.76
  4. Step 4: Simplify right side
    55,166.08x = 1,662,063,850.33
  5. Step 5: Solve for x
    x = 1,662,063,850.33/55,166.08
  6. Step 6: Final answer
    x = 30,128.37

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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.