Finding the Fourth Proportional to 96,409.98, 133,042.77 and 55,574.19
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Solution
The fourth proportional to 96,409.98, 133,042.77 and 55,574.19 is: 76,690.65
Step by Step Solution
- Step 1: Write the proportion equation
96,409.98 : 133,042.77 = 55,574.19 : x - Step 2: Convert to fraction form
96,409.98/133,042.77 = 55,574.19/x - Step 3: Cross multiply
96,409.98x = 133,042.77 × 55,574.19 - Step 4: Simplify right side
96,409.98x = 7,393,744,178.11 - Step 5: Solve for x
x = 7,393,744,178.11/96,409.98 - Step 6: Final answer
x = 76,690.65
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1.5x scale
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.