Finding the Fourth Proportional to 77,129.84, 115,669.98 and 24,527.02
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Solution
The fourth proportional to 77,129.84, 115,669.98 and 24,527.02 is: 36,782.65
Step by Step Solution
- Step 1: Write the proportion equation
77,129.84 : 115,669.98 = 24,527.02 : x - Step 2: Convert to fraction form
77,129.84/115,669.98 = 24,527.02/x - Step 3: Cross multiply
77,129.84x = 115,669.98 × 24,527.02 - Step 4: Simplify right side
77,129.84x = 2,837,039,912.86 - Step 5: Solve for x
x = 2,837,039,912.86/77,129.84 - Step 6: Final answer
x = 36,782.65
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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.