Finding the Fourth Proportional to 91,669.24, 137,416.38 and 29,297.08
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Solution
The fourth proportional to 91,669.24, 137,416.38 and 29,297.08 is: 43,917.66
Step by Step Solution
- Step 1: Write the proportion equation
91,669.24 : 137,416.38 = 29,297.08 : x - Step 2: Convert to fraction form
91,669.24/137,416.38 = 29,297.08/x - Step 3: Cross multiply
91,669.24x = 137,416.38 × 29,297.08 - Step 4: Simplify right side
91,669.24x = 4,025,898,678.17 - Step 5: Solve for x
x = 4,025,898,678.17/91,669.24 - Step 6: Final answer
x = 43,917.66
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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.