Finding the Fourth Proportional to 91,807.44, 137,711.16 and 29,521.68
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Solution
The fourth proportional to 91,807.44, 137,711.16 and 29,521.68 is: 44,282.52
Step by Step Solution
- Step 1: Write the proportion equation
91,807.44 : 137,711.16 = 29,521.68 : x - Step 2: Convert to fraction form
91,807.44/137,711.16 = 29,521.68/x - Step 3: Cross multiply
91,807.44x = 137,711.16 × 29,521.68 - Step 4: Simplify right side
91,807.44x = 4,065,464,797.95 - Step 5: Solve for x
x = 4,065,464,797.95/91,807.44 - Step 6: Final answer
x = 44,282.52
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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.