Home / 51,370.78-77,071.92-46,072.30

Finding the Fourth Proportional to 51,370.78, 77,071.92 and 46,072.30

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Solution

The fourth proportional to 51,370.78, 77,071.92 and 46,072.30 is: 69,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.78 : 77,071.92 = 46,072.30 : x
  2. Step 2: Convert to fraction form
    51,370.78/77,071.92 = 46,072.30/x
  3. Step 3: Cross multiply
    51,370.78x = 77,071.92 × 46,072.30
  4. Step 4: Simplify right side
    51,370.78x = 3,550,880,619.82
  5. Step 5: Solve for x
    x = 3,550,880,619.82/51,370.78
  6. Step 6: Final answer
    x = 69,122.58

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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.