Finding the Fourth Proportional to 93,821.63, 129,473.91 and 51,380.19
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Solution
The fourth proportional to 93,821.63, 129,473.91 and 51,380.19 is: 70,904.70
Step by Step Solution
- Step 1: Write the proportion equation
93,821.63 : 129,473.91 = 51,380.19 : x - Step 2: Convert to fraction form
93,821.63/129,473.91 = 51,380.19/x - Step 3: Cross multiply
93,821.63x = 129,473.91 × 51,380.19 - Step 4: Simplify right side
93,821.63x = 6,652,394,095.84 - Step 5: Solve for x
x = 6,652,394,095.84/93,821.63 - Step 6: Final answer
x = 70,904.70
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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.