Finding the Fourth Proportional to 97,321.95, 145,883.49 and 61,809.18
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Solution
The fourth proportional to 97,321.95, 145,883.49 and 61,809.18 is: 92,650.62
Step by Step Solution
- Step 1: Write the proportion equation
97,321.95 : 145,883.49 = 61,809.18 : x - Step 2: Convert to fraction form
97,321.95/145,883.49 = 61,809.18/x - Step 3: Cross multiply
97,321.95x = 145,883.49 × 61,809.18 - Step 4: Simplify right side
97,321.95x = 9,016,938,892.44 - Step 5: Solve for x
x = 9,016,938,892.44/97,321.95 - Step 6: Final answer
x = 92,650.62
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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.