Home / 60,198.51-90,303.71-20,750.43

Finding the Fourth Proportional to 60,198.51, 90,303.71 and 20,750.43

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Solution

The fourth proportional to 60,198.51, 90,303.71 and 20,750.43 is: 31,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,198.51 : 90,303.71 = 20,750.43 : x
  2. Step 2: Convert to fraction form
    60,198.51/90,303.71 = 20,750.43/x
  3. Step 3: Cross multiply
    60,198.51x = 90,303.71 × 20,750.43
  4. Step 4: Simplify right side
    60,198.51x = 1,873,840,709.34
  5. Step 5: Solve for x
    x = 1,873,840,709.34/60,198.51
  6. Step 6: Final answer
    x = 31,127.69

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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.