Home / 74,930.24-103,408.34-43,098.45

Finding the Fourth Proportional to 74,930.24, 103,408.34 and 43,098.45

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Solution

The fourth proportional to 74,930.24, 103,408.34 and 43,098.45 is: 59,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.24 : 103,408.34 = 43,098.45 : x
  2. Step 2: Convert to fraction form
    74,930.24/103,408.34 = 43,098.45/x
  3. Step 3: Cross multiply
    74,930.24x = 103,408.34 × 43,098.45
  4. Step 4: Simplify right side
    74,930.24x = 4,456,738,955.58
  5. Step 5: Solve for x
    x = 4,456,738,955.58/74,930.24
  6. Step 6: Final answer
    x = 59,478.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.