Finding the Fourth Proportional to 117,946.08, 162,780.48 and 67,644
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Solution
The fourth proportional to 117,946.08, 162,780.48 and 67,644 is: 93,357.26
Step by Step Solution
- Step 1: Write the proportion equation
117,946.08 : 162,780.48 = 67,644 : x - Step 2: Convert to fraction form
117,946.08/162,780.48 = 67,644/x - Step 3: Cross multiply
117,946.08x = 162,780.48 × 67,644 - Step 4: Simplify right side
117,946.08x = 11,011,122,789.12 - Step 5: Solve for x
x = 11,011,122,789.12/117,946.08 - Step 6: Final answer
x = 93,357.26
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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.