Finding the Fourth Proportional to 104,169.84, 143,754.42 and 56,423.04
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Solution
The fourth proportional to 104,169.84, 143,754.42 and 56,423.04 is: 77,863.82
Step by Step Solution
- Step 1: Write the proportion equation
104,169.84 : 143,754.42 = 56,423.04 : x - Step 2: Convert to fraction form
104,169.84/143,754.42 = 56,423.04/x - Step 3: Cross multiply
104,169.84x = 143,754.42 × 56,423.04 - Step 4: Simplify right side
104,169.84x = 8,111,061,389.84 - Step 5: Solve for x
x = 8,111,061,389.84/104,169.84 - Step 6: Final answer
x = 77,863.82
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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.