Finding the Fourth Proportional to 106,952.42, 147,529.77 and 68,699.09
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Solution
The fourth proportional to 106,952.42, 147,529.77 and 68,699.09 is: 94,763.27
Step by Step Solution
- Step 1: Write the proportion equation
106,952.42 : 147,529.77 = 68,699.09 : x - Step 2: Convert to fraction form
106,952.42/147,529.77 = 68,699.09/x - Step 3: Cross multiply
106,952.42x = 147,529.77 × 68,699.09 - Step 4: Simplify right side
106,952.42x = 10,135,160,946.91 - Step 5: Solve for x
x = 10,135,160,946.91/106,952.42 - Step 6: Final answer
x = 94,763.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.