Finding the Fourth Proportional to 96,445.05, 133,021.11 and 84,487.63
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Solution
The fourth proportional to 96,445.05, 133,021.11 and 84,487.63 is: 116,528.93
Step by Step Solution
- Step 1: Write the proportion equation
96,445.05 : 133,021.11 = 84,487.63 : x - Step 2: Convert to fraction form
96,445.05/133,021.11 = 84,487.63/x - Step 3: Cross multiply
96,445.05x = 133,021.11 × 84,487.63 - Step 4: Simplify right side
96,445.05x = 11,238,638,323.87 - Step 5: Solve for x
x = 11,238,638,323.87/96,445.05 - Step 6: Final answer
x = 116,528.93
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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.