Finding the Fourth Proportional to 97,622.26, 134,718.33 and 54,601.81
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Solution
The fourth proportional to 97,622.26, 134,718.33 and 54,601.81 is: 75,350.28
Step by Step Solution
- Step 1: Write the proportion equation
97,622.26 : 134,718.33 = 54,601.81 : x - Step 2: Convert to fraction form
97,622.26/134,718.33 = 54,601.81/x - Step 3: Cross multiply
97,622.26x = 134,718.33 × 54,601.81 - Step 4: Simplify right side
97,622.26x = 7,355,864,658.18 - Step 5: Solve for x
x = 7,355,864,658.18/97,622.26 - Step 6: Final answer
x = 75,350.28
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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.