Finding the Fourth Proportional to 99,704.24, 137,588.45 and 59,397.11
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Solution
The fourth proportional to 99,704.24, 137,588.45 and 59,397.11 is: 81,965.99
Step by Step Solution
- Step 1: Write the proportion equation
99,704.24 : 137,588.45 = 59,397.11 : x - Step 2: Convert to fraction form
99,704.24/137,588.45 = 59,397.11/x - Step 3: Cross multiply
99,704.24x = 137,588.45 × 59,397.11 - Step 4: Simplify right side
99,704.24x = 8,172,356,299.38 - Step 5: Solve for x
x = 8,172,356,299.38/99,704.24 - Step 6: Final answer
x = 81,965.99
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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.