Home / 74,328.57-111,491.76-51,511.41

Finding the Fourth Proportional to 74,328.57, 111,491.76 and 51,511.41

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Solution

The fourth proportional to 74,328.57, 111,491.76 and 51,511.41 is: 77,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.57 : 111,491.76 = 51,511.41 : x
  2. Step 2: Convert to fraction form
    74,328.57/111,491.76 = 51,511.41/x
  3. Step 3: Cross multiply
    74,328.57x = 111,491.76 × 51,511.41
  4. Step 4: Simplify right side
    74,328.57x = 5,743,097,760.98
  5. Step 5: Solve for x
    x = 5,743,097,760.98/74,328.57
  6. Step 6: Final answer
    x = 77,266.36

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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.