Finding the Fourth Proportional to 86,740.96, 119,696.98 and 48,503.66
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Solution
The fourth proportional to 86,740.96, 119,696.98 and 48,503.66 is: 66,931.95
Step by Step Solution
- Step 1: Write the proportion equation
86,740.96 : 119,696.98 = 48,503.66 : x - Step 2: Convert to fraction form
86,740.96/119,696.98 = 48,503.66/x - Step 3: Cross multiply
86,740.96x = 119,696.98 × 48,503.66 - Step 4: Simplify right side
86,740.96x = 5,805,741,321.70 - Step 5: Solve for x
x = 5,805,741,321.70/86,740.96 - Step 6: Final answer
x = 66,931.95
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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.