Finding the Fourth Proportional to 81,097.84, 121,658.36 and 24,942.64
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Solution
The fourth proportional to 81,097.84, 121,658.36 and 24,942.64 is: 37,417.53
Step by Step Solution
- Step 1: Write the proportion equation
81,097.84 : 121,658.36 = 24,942.64 : x - Step 2: Convert to fraction form
81,097.84/121,658.36 = 24,942.64/x - Step 3: Cross multiply
81,097.84x = 121,658.36 × 24,942.64 - Step 4: Simplify right side
81,097.84x = 3,034,480,676.47 - Step 5: Solve for x
x = 3,034,480,676.47/81,097.84 - Step 6: Final answer
x = 37,417.53
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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.