Finding the Fourth Proportional to 99,044.24, 136,679.82 and 53,721.50
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Solution
The fourth proportional to 99,044.24, 136,679.82 and 53,721.50 is: 74,135.00
Step by Step Solution
- Step 1: Write the proportion equation
99,044.24 : 136,679.82 = 53,721.50 : x - Step 2: Convert to fraction form
99,044.24/136,679.82 = 53,721.50/x - Step 3: Cross multiply
99,044.24x = 136,679.82 × 53,721.50 - Step 4: Simplify right side
99,044.24x = 7,342,644,950.13 - Step 5: Solve for x
x = 7,342,644,950.13/99,044.24 - Step 6: Final answer
x = 74,135.00
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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.