Finding the Fourth Proportional to 71,948.08, 107,860.58 and 27,606.66
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Solution
The fourth proportional to 71,948.08, 107,860.58 and 27,606.66 is: 41,386.37
Step by Step Solution
- Step 1: Write the proportion equation
71,948.08 : 107,860.58 = 27,606.66 : x - Step 2: Convert to fraction form
71,948.08/107,860.58 = 27,606.66/x - Step 3: Cross multiply
71,948.08x = 107,860.58 × 27,606.66 - Step 4: Simplify right side
71,948.08x = 2,977,669,920.48 - Step 5: Solve for x
x = 2,977,669,920.48/71,948.08 - Step 6: Final answer
x = 41,386.37
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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.