Finding the Fourth Proportional to 81,476.66, 122,034.36 and 62,617.84
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Solution
The fourth proportional to 81,476.66, 122,034.36 and 62,617.84 is: 93,787.94
Step by Step Solution
- Step 1: Write the proportion equation
81,476.66 : 122,034.36 = 62,617.84 : x - Step 2: Convert to fraction form
81,476.66/122,034.36 = 62,617.84/x - Step 3: Cross multiply
81,476.66x = 122,034.36 × 62,617.84 - Step 4: Simplify right side
81,476.66x = 7,641,528,028.98 - Step 5: Solve for x
x = 7,641,528,028.98/81,476.66 - Step 6: Final answer
x = 93,787.94
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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.