Finding the Fourth Proportional to 97,939.94, 135,233.35 and 75,242.93
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Solution
The fourth proportional to 97,939.94, 135,233.35 and 75,242.93 is: 103,893.81
Step by Step Solution
- Step 1: Write the proportion equation
97,939.94 : 135,233.35 = 75,242.93 : x - Step 2: Convert to fraction form
97,939.94/135,233.35 = 75,242.93/x - Step 3: Cross multiply
97,939.94x = 135,233.35 × 75,242.93 - Step 4: Simplify right side
97,939.94x = 10,175,352,623.44 - Step 5: Solve for x
x = 10,175,352,623.44/97,939.94 - Step 6: Final answer
x = 103,893.81
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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.