Finding the Fourth Proportional to 103,652.82, 143,039.16 and 58,330.80
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Solution
The fourth proportional to 103,652.82, 143,039.16 and 58,330.80 is: 80,495.53
Step by Step Solution
- Step 1: Write the proportion equation
103,652.82 : 143,039.16 = 58,330.80 : x - Step 2: Convert to fraction form
103,652.82/143,039.16 = 58,330.80/x - Step 3: Cross multiply
103,652.82x = 143,039.16 × 58,330.80 - Step 4: Simplify right side
103,652.82x = 8,343,588,634.13 - Step 5: Solve for x
x = 8,343,588,634.13/103,652.82 - Step 6: Final answer
x = 80,495.53
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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.