Home / 74,040.39-102,108.11-63,325.44

Finding the Fourth Proportional to 74,040.39, 102,108.11 and 63,325.44

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Solution

The fourth proportional to 74,040.39, 102,108.11 and 63,325.44 is: 87,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040.39 : 102,108.11 = 63,325.44 : x
  2. Step 2: Convert to fraction form
    74,040.39/102,108.11 = 63,325.44/x
  3. Step 3: Cross multiply
    74,040.39x = 102,108.11 × 63,325.44
  4. Step 4: Simplify right side
    74,040.39x = 6,466,040,676.69
  5. Step 5: Solve for x
    x = 6,466,040,676.69/74,040.39
  6. Step 6: Final answer
    x = 87,331.26

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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.