Finding the Fourth Proportional to 91,862.73, 137,794.05 and 29,538.09
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Solution
The fourth proportional to 91,862.73, 137,794.05 and 29,538.09 is: 44,307.12
Step by Step Solution
- Step 1: Write the proportion equation
91,862.73 : 137,794.05 = 29,538.09 : x - Step 2: Convert to fraction form
91,862.73/137,794.05 = 29,538.09/x - Step 3: Cross multiply
91,862.73x = 137,794.05 × 29,538.09 - Step 4: Simplify right side
91,862.73x = 4,070,173,050.36 - Step 5: Solve for x
x = 4,070,173,050.36/91,862.73 - Step 6: Final answer
x = 44,307.12
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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.