Finding the Fourth Proportional to 97,355.21, 134,351.73 and 54,914.58
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Solution
The fourth proportional to 97,355.21, 134,351.73 and 54,914.58 is: 75,782.99
Step by Step Solution
- Step 1: Write the proportion equation
97,355.21 : 134,351.73 = 54,914.58 : x - Step 2: Convert to fraction form
97,355.21/134,351.73 = 54,914.58/x - Step 3: Cross multiply
97,355.21x = 134,351.73 × 54,914.58 - Step 4: Simplify right side
97,355.21x = 7,377,868,825.22 - Step 5: Solve for x
x = 7,377,868,825.22/97,355.21 - Step 6: Final answer
x = 75,782.99
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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.