Finding the Fourth Proportional to 106,494.24, 159,694.72 and 39,887.64
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Solution
The fourth proportional to 106,494.24, 159,694.72 and 39,887.64 is: 59,813.99
Step by Step Solution
- Step 1: Write the proportion equation
106,494.24 : 159,694.72 = 39,887.64 : x - Step 2: Convert to fraction form
106,494.24/159,694.72 = 39,887.64/x - Step 3: Cross multiply
106,494.24x = 159,694.72 × 39,887.64 - Step 4: Simplify right side
106,494.24x = 6,369,845,501.26 - Step 5: Solve for x
x = 6,369,845,501.26/106,494.24 - Step 6: Final answer
x = 59,813.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.