Finding the Fourth Proportional to 89,101.99, 133,654.67 and 29,130.49
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Solution
The fourth proportional to 89,101.99, 133,654.67 and 29,130.49 is: 43,696.28
Step by Step Solution
- Step 1: Write the proportion equation
89,101.99 : 133,654.67 = 29,130.49 : x - Step 2: Convert to fraction form
89,101.99/133,654.67 = 29,130.49/x - Step 3: Cross multiply
89,101.99x = 133,654.67 × 29,130.49 - Step 4: Simplify right side
89,101.99x = 3,893,425,213.96 - Step 5: Solve for x
x = 3,893,425,213.96/89,101.99 - Step 6: Final answer
x = 43,696.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.