Home / 78,418.64-108,233.16-44,906.96

Finding the Fourth Proportional to 78,418.64, 108,233.16 and 44,906.96

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Solution

The fourth proportional to 78,418.64, 108,233.16 and 44,906.96 is: 61,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,418.64 : 108,233.16 = 44,906.96 : x
  2. Step 2: Convert to fraction form
    78,418.64/108,233.16 = 44,906.96/x
  3. Step 3: Cross multiply
    78,418.64x = 108,233.16 × 44,906.96
  4. Step 4: Simplify right side
    78,418.64x = 4,860,422,186.79
  5. Step 5: Solve for x
    x = 4,860,422,186.79/78,418.64
  6. Step 6: Final answer
    x = 61,980.44

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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.