Finding the Fourth Proportional to 96,836.63, 133,641.36 and 54,395.19
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Solution
The fourth proportional to 96,836.63, 133,641.36 and 54,395.19 is: 75,069.19
Step by Step Solution
- Step 1: Write the proportion equation
96,836.63 : 133,641.36 = 54,395.19 : x - Step 2: Convert to fraction form
96,836.63/133,641.36 = 54,395.19/x - Step 3: Cross multiply
96,836.63x = 133,641.36 × 54,395.19 - Step 4: Simplify right side
96,836.63x = 7,269,447,169.06 - Step 5: Solve for x
x = 7,269,447,169.06/96,836.63 - Step 6: Final answer
x = 75,069.19
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1.5x scale
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.