Finding the Fourth Proportional to 77,149.44, 115,644.96 and 37,657.98
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Solution
The fourth proportional to 77,149.44, 115,644.96 and 37,657.98 is: 56,448.31
Step by Step Solution
- Step 1: Write the proportion equation
77,149.44 : 115,644.96 = 37,657.98 : x - Step 2: Convert to fraction form
77,149.44/115,644.96 = 37,657.98/x - Step 3: Cross multiply
77,149.44x = 115,644.96 × 37,657.98 - Step 4: Simplify right side
77,149.44x = 4,354,955,590.78 - Step 5: Solve for x
x = 4,354,955,590.78/77,149.44 - Step 6: Final answer
x = 56,448.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.