Finding the Fourth Proportional to 94,721.70, 130,706.64 and 52,277.49
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Solution
The fourth proportional to 94,721.70, 130,706.64 and 52,277.49 is: 72,137.80
Step by Step Solution
- Step 1: Write the proportion equation
94,721.70 : 130,706.64 = 52,277.49 : x - Step 2: Convert to fraction form
94,721.70/130,706.64 = 52,277.49/x - Step 3: Cross multiply
94,721.70x = 130,706.64 × 52,277.49 - Step 4: Simplify right side
94,721.70x = 6,833,015,065.53 - Step 5: Solve for x
x = 6,833,015,065.53/94,721.70 - Step 6: Final answer
x = 72,137.80
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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.