Finding the Fourth Proportional to 97,725.48, 134,837.64 and 57,436.08
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Solution
The fourth proportional to 97,725.48, 134,837.64 and 57,436.08 is: 79,247.97
Step by Step Solution
- Step 1: Write the proportion equation
97,725.48 : 134,837.64 = 57,436.08 : x - Step 2: Convert to fraction form
97,725.48/134,837.64 = 57,436.08/x - Step 3: Cross multiply
97,725.48x = 134,837.64 × 57,436.08 - Step 4: Simplify right side
97,725.48x = 7,744,545,478.05 - Step 5: Solve for x
x = 7,744,545,478.05/97,725.48 - Step 6: Final answer
x = 79,247.97
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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.