Finding the Fourth Proportional to 69,694.24, 104,342.64 and 46,274.08
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Solution
The fourth proportional to 69,694.24, 104,342.64 and 46,274.08 is: 69,279.18
Step by Step Solution
- Step 1: Write the proportion equation
69,694.24 : 104,342.64 = 46,274.08 : x - Step 2: Convert to fraction form
69,694.24/104,342.64 = 46,274.08/x - Step 3: Cross multiply
69,694.24x = 104,342.64 × 46,274.08 - Step 4: Simplify right side
69,694.24x = 4,828,359,670.77 - Step 5: Solve for x
x = 4,828,359,670.77/69,694.24 - Step 6: Final answer
x = 69,279.18
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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.