Finding the Fourth Proportional to 103,692.26, 143,095.53 and 58,980.26
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Solution
The fourth proportional to 103,692.26, 143,095.53 and 58,980.26 is: 81,392.88
Step by Step Solution
- Step 1: Write the proportion equation
103,692.26 : 143,095.53 = 58,980.26 : x - Step 2: Convert to fraction form
103,692.26/143,095.53 = 58,980.26/x - Step 3: Cross multiply
103,692.26x = 143,095.53 × 58,980.26 - Step 4: Simplify right side
103,692.26x = 8,439,811,564.24 - Step 5: Solve for x
x = 8,439,811,564.24/103,692.26 - Step 6: Final answer
x = 81,392.88
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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.