Finding the Fourth Proportional to 97,712.12, 134,888.69 and 73,522.08
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Solution
The fourth proportional to 97,712.12, 134,888.69 and 73,522.08 is: 101,495.05
Step by Step Solution
- Step 1: Write the proportion equation
97,712.12 : 134,888.69 = 73,522.08 : x - Step 2: Convert to fraction form
97,712.12/134,888.69 = 73,522.08/x - Step 3: Cross multiply
97,712.12x = 134,888.69 × 73,522.08 - Step 4: Simplify right side
97,712.12x = 9,917,297,241.08 - Step 5: Solve for x
x = 9,917,297,241.08/97,712.12 - Step 6: Final answer
x = 101,495.05
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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.