Finding the Fourth Proportional to 79,868.66, 119,768.04 and 29,913.74
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Solution
The fourth proportional to 79,868.66, 119,768.04 and 29,913.74 is: 44,857.52
Step by Step Solution
- Step 1: Write the proportion equation
79,868.66 : 119,768.04 = 29,913.74 : x - Step 2: Convert to fraction form
79,868.66/119,768.04 = 29,913.74/x - Step 3: Cross multiply
79,868.66x = 119,768.04 × 29,913.74 - Step 4: Simplify right side
79,868.66x = 3,582,710,008.87 - Step 5: Solve for x
x = 3,582,710,008.87/79,868.66 - Step 6: Final answer
x = 44,857.52
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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.