Finding the Fourth Proportional to 96,683.39, 133,423.51 and 54,239.19
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Solution
The fourth proportional to 96,683.39, 133,423.51 and 54,239.19 is: 74,850.32
Step by Step Solution
- Step 1: Write the proportion equation
96,683.39 : 133,423.51 = 54,239.19 : x - Step 2: Convert to fraction form
96,683.39/133,423.51 = 54,239.19/x - Step 3: Cross multiply
96,683.39x = 133,423.51 × 54,239.19 - Step 4: Simplify right side
96,683.39x = 7,236,783,109.36 - Step 5: Solve for x
x = 7,236,783,109.36/96,683.39 - Step 6: Final answer
x = 74,850.32
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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.