Finding the Fourth Proportional to 79,429.97, 119,194.20 and 46,165.70
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Solution
The fourth proportional to 79,429.97, 119,194.20 and 46,165.70 is: 69,277.17
Step by Step Solution
- Step 1: Write the proportion equation
79,429.97 : 119,194.20 = 46,165.70 : x - Step 2: Convert to fraction form
79,429.97/119,194.20 = 46,165.70/x - Step 3: Cross multiply
79,429.97x = 119,194.20 × 46,165.70 - Step 4: Simplify right side
79,429.97x = 5,502,683,356.83 - Step 5: Solve for x
x = 5,502,683,356.83/79,429.97 - Step 6: Final answer
x = 69,277.17
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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.