Finding the Fourth Proportional to 97,450.74, 134,478.23 and 61,171.70
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Solution
The fourth proportional to 97,450.74, 134,478.23 and 61,171.70 is: 84,414.56
Step by Step Solution
- Step 1: Write the proportion equation
97,450.74 : 134,478.23 = 61,171.70 : x - Step 2: Convert to fraction form
97,450.74/134,478.23 = 61,171.70/x - Step 3: Cross multiply
97,450.74x = 134,478.23 × 61,171.70 - Step 4: Simplify right side
97,450.74x = 8,226,260,963.84 - Step 5: Solve for x
x = 8,226,260,963.84/97,450.74 - Step 6: Final answer
x = 84,414.56
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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.