Finding the Fourth Proportional to 120,068.02, 165,679.77 and 66,349.84
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Solution
The fourth proportional to 120,068.02, 165,679.77 and 66,349.84 is: 91,554.99
Step by Step Solution
- Step 1: Write the proportion equation
120,068.02 : 165,679.77 = 66,349.84 : x - Step 2: Convert to fraction form
120,068.02/165,679.77 = 66,349.84/x - Step 3: Cross multiply
120,068.02x = 165,679.77 × 66,349.84 - Step 4: Simplify right side
120,068.02x = 10,992,826,230.74 - Step 5: Solve for x
x = 10,992,826,230.74/120,068.02 - Step 6: Final answer
x = 91,554.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.