Finding the Fourth Proportional to 97,803.54, 146,779.20 and 71,575.94
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Solution
The fourth proportional to 97,803.54, 146,779.20 and 71,575.94 is: 107,417.99
Step by Step Solution
- Step 1: Write the proportion equation
97,803.54 : 146,779.20 = 71,575.94 : x - Step 2: Convert to fraction form
97,803.54/146,779.20 = 71,575.94/x - Step 3: Cross multiply
97,803.54x = 146,779.20 × 71,575.94 - Step 4: Simplify right side
97,803.54x = 10,505,859,579.40 - Step 5: Solve for x
x = 10,505,859,579.40/97,803.54 - Step 6: Final answer
x = 107,417.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.