Finding the Fourth Proportional to 77,029.68, 115,561.80 and 24,440.88
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Solution
The fourth proportional to 77,029.68, 115,561.80 and 24,440.88 is: 36,666.80
Step by Step Solution
- Step 1: Write the proportion equation
77,029.68 : 115,561.80 = 24,440.88 : x - Step 2: Convert to fraction form
77,029.68/115,561.80 = 24,440.88/x - Step 3: Cross multiply
77,029.68x = 115,561.80 × 24,440.88 - Step 4: Simplify right side
77,029.68x = 2,824,432,086.38 - Step 5: Solve for x
x = 2,824,432,086.38/77,029.68 - Step 6: Final answer
x = 36,666.80
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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.