Finding the Fourth Proportional to 96,804.30, 133,588.20 and 53,783.99
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Solution
The fourth proportional to 96,804.30, 133,588.20 and 53,783.99 is: 74,220.94
Step by Step Solution
- Step 1: Write the proportion equation
96,804.30 : 133,588.20 = 53,783.99 : x - Step 2: Convert to fraction form
96,804.30/133,588.20 = 53,783.99/x - Step 3: Cross multiply
96,804.30x = 133,588.20 × 53,783.99 - Step 4: Simplify right side
96,804.30x = 7,184,906,412.92 - Step 5: Solve for x
x = 7,184,906,412.92/96,804.30 - Step 6: Final answer
x = 74,220.94
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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.