Finding the Fourth Proportional to 79,463.04, 119,201.12 and 39,999.84
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Solution
The fourth proportional to 79,463.04, 119,201.12 and 39,999.84 is: 60,003.06
Step by Step Solution
- Step 1: Write the proportion equation
79,463.04 : 119,201.12 = 39,999.84 : x - Step 2: Convert to fraction form
79,463.04/119,201.12 = 39,999.84/x - Step 3: Cross multiply
79,463.04x = 119,201.12 × 39,999.84 - Step 4: Simplify right side
79,463.04x = 4,768,025,727.82 - Step 5: Solve for x
x = 4,768,025,727.82/79,463.04 - Step 6: Final answer
x = 60,003.06
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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.