Finding the Fourth Proportional to 96,428.68, 133,079.29 and 71,050.97
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Solution
The fourth proportional to 96,428.68, 133,079.29 and 71,050.97 is: 98,056.02
Step by Step Solution
- Step 1: Write the proportion equation
96,428.68 : 133,079.29 = 71,050.97 : x - Step 2: Convert to fraction form
96,428.68/133,079.29 = 71,050.97/x - Step 3: Cross multiply
96,428.68x = 133,079.29 × 71,050.97 - Step 4: Simplify right side
96,428.68x = 9,455,412,796.48 - Step 5: Solve for x
x = 9,455,412,796.48/96,428.68 - Step 6: Final answer
x = 98,056.02
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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.