Finding the Fourth Proportional to 73,253.84, 109,701.57 and 66,154.19
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Solution
The fourth proportional to 73,253.84, 109,701.57 and 66,154.19 is: 99,069.46
Step by Step Solution
- Step 1: Write the proportion equation
73,253.84 : 109,701.57 = 66,154.19 : x - Step 2: Convert to fraction form
73,253.84/109,701.57 = 66,154.19/x - Step 3: Cross multiply
73,253.84x = 109,701.57 × 66,154.19 - Step 4: Simplify right side
73,253.84x = 7,257,218,505.08 - Step 5: Solve for x
x = 7,257,218,505.08/73,253.84 - Step 6: Final answer
x = 99,069.46
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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.