Finding the Fourth Proportional to 88,101.96, 121,581.58 and 47,816.08
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Solution
The fourth proportional to 88,101.96, 121,581.58 and 47,816.08 is: 65,986.67
Step by Step Solution
- Step 1: Write the proportion equation
88,101.96 : 121,581.58 = 47,816.08 : x - Step 2: Convert to fraction form
88,101.96/121,581.58 = 47,816.08/x - Step 3: Cross multiply
88,101.96x = 121,581.58 × 47,816.08 - Step 4: Simplify right side
88,101.96x = 5,813,554,555.81 - Step 5: Solve for x
x = 5,813,554,555.81/88,101.96 - Step 6: Final answer
x = 65,986.67
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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.