Finding the Fourth Proportional to 77,336.19, 106,467.12 and 69,364.62
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Solution
The fourth proportional to 77,336.19, 106,467.12 and 69,364.62 is: 95,492.83
Step by Step Solution
- Step 1: Write the proportion equation
77,336.19 : 106,467.12 = 69,364.62 : x - Step 2: Convert to fraction form
77,336.19/106,467.12 = 69,364.62/x - Step 3: Cross multiply
77,336.19x = 106,467.12 × 69,364.62 - Step 4: Simplify right side
77,336.19x = 7,385,051,321.29 - Step 5: Solve for x
x = 7,385,051,321.29/77,336.19 - Step 6: Final answer
x = 95,492.83
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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.