Finding the Fourth Proportional to 79,777.84, 119,662.40 and 24,369.52
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Solution
The fourth proportional to 79,777.84, 119,662.40 and 24,369.52 is: 36,552.95
Step by Step Solution
- Step 1: Write the proportion equation
79,777.84 : 119,662.40 = 24,369.52 : x - Step 2: Convert to fraction form
79,777.84/119,662.40 = 24,369.52/x - Step 3: Cross multiply
79,777.84x = 119,662.40 × 24,369.52 - Step 4: Simplify right side
79,777.84x = 2,916,115,250.05 - Step 5: Solve for x
x = 2,916,115,250.05/79,777.84 - Step 6: Final answer
x = 36,552.95
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1.5x scale
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.