Finding the Fourth Proportional to 85,376.84, 117,818.15 and 47,134.10
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Solution
The fourth proportional to 85,376.84, 117,818.15 and 47,134.10 is: 65,044.02
Step by Step Solution
- Step 1: Write the proportion equation
85,376.84 : 117,818.15 = 47,134.10 : x - Step 2: Convert to fraction form
85,376.84/117,818.15 = 47,134.10/x - Step 3: Cross multiply
85,376.84x = 117,818.15 × 47,134.10 - Step 4: Simplify right side
85,376.84x = 5,553,252,522.79 - Step 5: Solve for x
x = 5,553,252,522.79/85,376.84 - Step 6: Final answer
x = 65,044.02
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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.