Finding the Fourth Proportional to 81,177.93, 121,745.70 and 24,238.44
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Solution
The fourth proportional to 81,177.93, 121,745.70 and 24,238.44 is: 36,351.33
Step by Step Solution
- Step 1: Write the proportion equation
81,177.93 : 121,745.70 = 24,238.44 : x - Step 2: Convert to fraction form
81,177.93/121,745.70 = 24,238.44/x - Step 3: Cross multiply
81,177.93x = 121,745.70 × 24,238.44 - Step 4: Simplify right side
81,177.93x = 2,950,925,844.71 - Step 5: Solve for x
x = 2,950,925,844.71/81,177.93 - Step 6: Final answer
x = 36,351.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.