Finding the Fourth Proportional to 74,865.23, 112,396.26 and 68,676.02
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Solution
The fourth proportional to 74,865.23, 112,396.26 and 68,676.02 is: 103,104.31
Step by Step Solution
- Step 1: Write the proportion equation
74,865.23 : 112,396.26 = 68,676.02 : x - Step 2: Convert to fraction form
74,865.23/112,396.26 = 68,676.02/x - Step 3: Cross multiply
74,865.23x = 112,396.26 × 68,676.02 - Step 4: Simplify right side
74,865.23x = 7,718,927,799.69 - Step 5: Solve for x
x = 7,718,927,799.69/74,865.23 - Step 6: Final answer
x = 103,104.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.