Home / 78,018.36-107,638.60-44,022.66

Finding the Fourth Proportional to 78,018.36, 107,638.60 and 44,022.66

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Solution

The fourth proportional to 78,018.36, 107,638.60 and 44,022.66 is: 60,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,018.36 : 107,638.60 = 44,022.66 : x
  2. Step 2: Convert to fraction form
    78,018.36/107,638.60 = 44,022.66/x
  3. Step 3: Cross multiply
    78,018.36x = 107,638.60 × 44,022.66
  4. Step 4: Simplify right side
    78,018.36x = 4,738,537,490.68
  5. Step 5: Solve for x
    x = 4,738,537,490.68/78,018.36
  6. Step 6: Final answer
    x = 60,736.18

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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.