Finding the Fourth Proportional to 70,976.34, 106,534.96 and 37,696.68
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Solution
The fourth proportional to 70,976.34, 106,534.96 and 37,696.68 is: 56,582.44
Step by Step Solution
- Step 1: Write the proportion equation
70,976.34 : 106,534.96 = 37,696.68 : x - Step 2: Convert to fraction form
70,976.34/106,534.96 = 37,696.68/x - Step 3: Cross multiply
70,976.34x = 106,534.96 × 37,696.68 - Step 4: Simplify right side
70,976.34x = 4,016,014,295.93 - Step 5: Solve for x
x = 4,016,014,295.93/70,976.34 - Step 6: Final answer
x = 56,582.44
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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.