Finding the Fourth Proportional to 88,640.18, 122,343.17 and 56,368.26
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Solution
The fourth proportional to 88,640.18, 122,343.17 and 56,368.26 is: 77,800.74
Step by Step Solution
- Step 1: Write the proportion equation
88,640.18 : 122,343.17 = 56,368.26 : x - Step 2: Convert to fraction form
88,640.18/122,343.17 = 56,368.26/x - Step 3: Cross multiply
88,640.18x = 122,343.17 × 56,368.26 - Step 4: Simplify right side
88,640.18x = 6,896,271,450.85 - Step 5: Solve for x
x = 6,896,271,450.85/88,640.18 - Step 6: Final answer
x = 77,800.74
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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.