Finding the Fourth Proportional to 97,536.24, 134,579.16 and 68,940.72
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Solution
The fourth proportional to 97,536.24, 134,579.16 and 68,940.72 is: 95,123.46
Step by Step Solution
- Step 1: Write the proportion equation
97,536.24 : 134,579.16 = 68,940.72 : x - Step 2: Convert to fraction form
97,536.24/134,579.16 = 68,940.72/x - Step 3: Cross multiply
97,536.24x = 134,579.16 × 68,940.72 - Step 4: Simplify right side
97,536.24x = 9,277,984,187.40 - Step 5: Solve for x
x = 9,277,984,187.40/97,536.24 - Step 6: Final answer
x = 95,123.46
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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.