Finding the Fourth Proportional to 96,900.69, 133,684.99 and 71,468.11
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Solution
The fourth proportional to 96,900.69, 133,684.99 and 71,468.11 is: 98,597.99
Step by Step Solution
- Step 1: Write the proportion equation
96,900.69 : 133,684.99 = 71,468.11 : x - Step 2: Convert to fraction form
96,900.69/133,684.99 = 71,468.11/x - Step 3: Cross multiply
96,900.69x = 133,684.99 × 71,468.11 - Step 4: Simplify right side
96,900.69x = 9,554,213,570.67 - Step 5: Solve for x
x = 9,554,213,570.67/96,900.69 - Step 6: Final answer
x = 98,597.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.