Finding the Fourth Proportional to 94,770.69, 130,790.45 and 54,497.09
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Solution
The fourth proportional to 94,770.69, 130,790.45 and 54,497.09 is: 75,209.94
Step by Step Solution
- Step 1: Write the proportion equation
94,770.69 : 130,790.45 = 54,497.09 : x - Step 2: Convert to fraction form
94,770.69/130,790.45 = 54,497.09/x - Step 3: Cross multiply
94,770.69x = 130,790.45 × 54,497.09 - Step 4: Simplify right side
94,770.69x = 7,127,697,998.35 - Step 5: Solve for x
x = 7,127,697,998.35/94,770.69 - Step 6: Final answer
x = 75,209.94
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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.