Finding the Fourth Proportional to 96,491.79, 133,157.12 and 54,050.19
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Solution
The fourth proportional to 96,491.79, 133,157.12 and 54,050.19 is: 74,588.39
Step by Step Solution
- Step 1: Write the proportion equation
96,491.79 : 133,157.12 = 54,050.19 : x - Step 2: Convert to fraction form
96,491.79/133,157.12 = 54,050.19/x - Step 3: Cross multiply
96,491.79x = 133,157.12 × 54,050.19 - Step 4: Simplify right side
96,491.79x = 7,197,167,365.60 - Step 5: Solve for x
x = 7,197,167,365.60/96,491.79 - Step 6: Final answer
x = 74,588.39
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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.