Finding the Fourth Proportional to 81,810.62, 122,702.26 and 22,652.27
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Solution
The fourth proportional to 81,810.62, 122,702.26 and 22,652.27 is: 33,974.62
Step by Step Solution
- Step 1: Write the proportion equation
81,810.62 : 122,702.26 = 22,652.27 : x - Step 2: Convert to fraction form
81,810.62/122,702.26 = 22,652.27/x - Step 3: Cross multiply
81,810.62x = 122,702.26 × 22,652.27 - Step 4: Simplify right side
81,810.62x = 2,779,484,723.13 - Step 5: Solve for x
x = 2,779,484,723.13/81,810.62 - Step 6: Final answer
x = 33,974.62
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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.