Finding the Fourth Proportional to 96,902.08, 133,691.68 and 62,953.28
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Solution
The fourth proportional to 96,902.08, 133,691.68 and 62,953.28 is: 86,853.96
Step by Step Solution
- Step 1: Write the proportion equation
96,902.08 : 133,691.68 = 62,953.28 : x - Step 2: Convert to fraction form
96,902.08/133,691.68 = 62,953.28/x - Step 3: Cross multiply
96,902.08x = 133,691.68 × 62,953.28 - Step 4: Simplify right side
96,902.08x = 8,416,329,764.71 - Step 5: Solve for x
x = 8,416,329,764.71/96,902.08 - Step 6: Final answer
x = 86,853.96
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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.