Finding the Fourth Proportional to 68,454.06, 102,447.45 and 57,373.26
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Solution
The fourth proportional to 68,454.06, 102,447.45 and 57,373.26 is: 85,864.07
Step by Step Solution
- Step 1: Write the proportion equation
68,454.06 : 102,447.45 = 57,373.26 : x - Step 2: Convert to fraction form
68,454.06/102,447.45 = 57,373.26/x - Step 3: Cross multiply
68,454.06x = 102,447.45 × 57,373.26 - Step 4: Simplify right side
68,454.06x = 5,877,744,185.19 - Step 5: Solve for x
x = 5,877,744,185.19/68,454.06 - Step 6: Final answer
x = 85,864.07
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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.