Finding the Fourth Proportional to 104,052.08, 143,592.12 and 56,305.94
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Solution
The fourth proportional to 104,052.08, 143,592.12 and 56,305.94 is: 77,702.33
Step by Step Solution
- Step 1: Write the proportion equation
104,052.08 : 143,592.12 = 56,305.94 : x - Step 2: Convert to fraction form
104,052.08/143,592.12 = 56,305.94/x - Step 3: Cross multiply
104,052.08x = 143,592.12 × 56,305.94 - Step 4: Simplify right side
104,052.08x = 8,085,089,293.19 - Step 5: Solve for x
x = 8,085,089,293.19/104,052.08 - Step 6: Final answer
x = 77,702.33
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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.