Finding the Fourth Proportional to 96,988.05, 133,823.45 and 56,694.02
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Solution
The fourth proportional to 96,988.05, 133,823.45 and 56,694.02 is: 78,226.02
Step by Step Solution
- Step 1: Write the proportion equation
96,988.05 : 133,823.45 = 56,694.02 : x - Step 2: Convert to fraction form
96,988.05/133,823.45 = 56,694.02/x - Step 3: Cross multiply
96,988.05x = 133,823.45 × 56,694.02 - Step 4: Simplify right side
96,988.05x = 7,586,988,823.39 - Step 5: Solve for x
x = 7,586,988,823.39/96,988.05 - Step 6: Final answer
x = 78,226.02
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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.