Finding the Fourth Proportional to 95,394.36, 131,639.52 and 52,372.80
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Solution
The fourth proportional to 95,394.36, 131,639.52 and 52,372.80 is: 72,271.89
Step by Step Solution
- Step 1: Write the proportion equation
95,394.36 : 131,639.52 = 52,372.80 : x - Step 2: Convert to fraction form
95,394.36/131,639.52 = 52,372.80/x - Step 3: Cross multiply
95,394.36x = 131,639.52 × 52,372.80 - Step 4: Simplify right side
95,394.36x = 6,894,330,253.06 - Step 5: Solve for x
x = 6,894,330,253.06/95,394.36 - Step 6: Final answer
x = 72,271.89
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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.