Finding the Fourth Proportional to 90,804.97, 136,089.01 and 56,596.62
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Solution
The fourth proportional to 90,804.97, 136,089.01 and 56,596.62 is: 84,821.11
Step by Step Solution
- Step 1: Write the proportion equation
90,804.97 : 136,089.01 = 56,596.62 : x - Step 2: Convert to fraction form
90,804.97/136,089.01 = 56,596.62/x - Step 3: Cross multiply
90,804.97x = 136,089.01 × 56,596.62 - Step 4: Simplify right side
90,804.97x = 7,702,178,566.23 - Step 5: Solve for x
x = 7,702,178,566.23/90,804.97 - Step 6: Final answer
x = 84,821.11
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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.