Finding the Fourth Proportional to 99,374.70, 137,135.73 and 54,051.70
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Solution
The fourth proportional to 99,374.70, 137,135.73 and 54,051.70 is: 74,590.61
Step by Step Solution
- Step 1: Write the proportion equation
99,374.70 : 137,135.73 = 54,051.70 : x - Step 2: Convert to fraction form
99,374.70/137,135.73 = 54,051.70/x - Step 3: Cross multiply
99,374.70x = 137,135.73 × 54,051.70 - Step 4: Simplify right side
99,374.70x = 7,412,419,337.24 - Step 5: Solve for x
x = 7,412,419,337.24/99,374.70 - Step 6: Final answer
x = 74,590.61
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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.