Finding the Fourth Proportional to 97,146.24, 134,046.96 and 54,703.68
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Solution
The fourth proportional to 97,146.24, 134,046.96 and 54,703.68 is: 75,482.72
Step by Step Solution
- Step 1: Write the proportion equation
97,146.24 : 134,046.96 = 54,703.68 : x - Step 2: Convert to fraction form
97,146.24/134,046.96 = 54,703.68/x - Step 3: Cross multiply
97,146.24x = 134,046.96 × 54,703.68 - Step 4: Simplify right side
97,146.24x = 7,332,862,004.81 - Step 5: Solve for x
x = 7,332,862,004.81/97,146.24 - Step 6: Final answer
x = 75,482.72
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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.