Finding the Fourth Proportional to 69,114.79, 103,652.87 and 19,182.99
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Solution
The fourth proportional to 69,114.79, 103,652.87 and 19,182.99 is: 28,769.12
Step by Step Solution
- Step 1: Write the proportion equation
69,114.79 : 103,652.87 = 19,182.99 : x - Step 2: Convert to fraction form
69,114.79/103,652.87 = 19,182.99/x - Step 3: Cross multiply
69,114.79x = 103,652.87 × 19,182.99 - Step 4: Simplify right side
69,114.79x = 1,988,371,872.77 - Step 5: Solve for x
x = 1,988,371,872.77/69,114.79 - Step 6: Final answer
x = 28,769.12
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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.