Home / 90,975.63-136,484.21-27,804.74

Finding the Fourth Proportional to 90,975.63, 136,484.21 and 27,804.74

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Solution

The fourth proportional to 90,975.63, 136,484.21 and 27,804.74 is: 41,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,975.63 : 136,484.21 = 27,804.74 : x
  2. Step 2: Convert to fraction form
    90,975.63/136,484.21 = 27,804.74/x
  3. Step 3: Cross multiply
    90,975.63x = 136,484.21 × 27,804.74
  4. Step 4: Simplify right side
    90,975.63x = 3,794,907,631.94
  5. Step 5: Solve for x
    x = 3,794,907,631.94/90,975.63
  6. Step 6: Final answer
    x = 41,713.45

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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.