Finding the Fourth Proportional to 68,675.37, 102,991.86 and 24,291.92
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Solution
The fourth proportional to 68,675.37, 102,991.86 and 24,291.92 is: 36,430.38
Step by Step Solution
- Step 1: Write the proportion equation
68,675.37 : 102,991.86 = 24,291.92 : x - Step 2: Convert to fraction form
68,675.37/102,991.86 = 24,291.92/x - Step 3: Cross multiply
68,675.37x = 102,991.86 × 24,291.92 - Step 4: Simplify right side
68,675.37x = 2,501,869,569.54 - Step 5: Solve for x
x = 2,501,869,569.54/68,675.37 - Step 6: Final answer
x = 36,430.38
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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.