Finding the Fourth Proportional to 91,750.90, 137,626.35 and 29,427.70
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Solution
The fourth proportional to 91,750.90, 137,626.35 and 29,427.70 is: 44,141.55
Step by Step Solution
- Step 1: Write the proportion equation
91,750.90 : 137,626.35 = 29,427.70 : x - Step 2: Convert to fraction form
91,750.90/137,626.35 = 29,427.70/x - Step 3: Cross multiply
91,750.90x = 137,626.35 × 29,427.70 - Step 4: Simplify right side
91,750.90x = 4,050,026,939.90 - Step 5: Solve for x
x = 4,050,026,939.90/91,750.90 - Step 6: Final answer
x = 44,141.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.