Finding the Fourth Proportional to 68,402.56, 102,592.80 and 26,263.12
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Solution
The fourth proportional to 68,402.56, 102,592.80 and 26,263.12 is: 39,390.44
Step by Step Solution
- Step 1: Write the proportion equation
68,402.56 : 102,592.80 = 26,263.12 : x - Step 2: Convert to fraction form
68,402.56/102,592.80 = 26,263.12/x - Step 3: Cross multiply
68,402.56x = 102,592.80 × 26,263.12 - Step 4: Simplify right side
68,402.56x = 2,694,407,017.54 - Step 5: Solve for x
x = 2,694,407,017.54/68,402.56 - Step 6: Final answer
x = 39,390.44
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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.