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Finding the Fourth Proportional to 88,938.36, 122,738.10 and 48,649.72

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Solution

The fourth proportional to 88,938.36, 122,738.10 and 48,649.72 is: 67,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.36 : 122,738.10 = 48,649.72 : x
  2. Step 2: Convert to fraction form
    88,938.36/122,738.10 = 48,649.72/x
  3. Step 3: Cross multiply
    88,938.36x = 122,738.10 × 48,649.72
  4. Step 4: Simplify right side
    88,938.36x = 5,971,174,198.33
  5. Step 5: Solve for x
    x = 5,971,174,198.33/88,938.36
  6. Step 6: Final answer
    x = 67,138.34

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