Finding the Fourth Proportional to 96,926.13, 133,732.76 and 56,616.99
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Solution
The fourth proportional to 96,926.13, 133,732.76 and 56,616.99 is: 78,116.66
Step by Step Solution
- Step 1: Write the proportion equation
96,926.13 : 133,732.76 = 56,616.99 : x - Step 2: Convert to fraction form
96,926.13/133,732.76 = 56,616.99/x - Step 3: Cross multiply
96,926.13x = 133,732.76 × 56,616.99 - Step 4: Simplify right side
96,926.13x = 7,571,545,551.01 - Step 5: Solve for x
x = 7,571,545,551.01/96,926.13 - Step 6: Final answer
x = 78,116.66
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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.