Finding the Fourth Proportional to 68,220.56, 102,206.16 and 49,454.06
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Solution
The fourth proportional to 68,220.56, 102,206.16 and 49,454.06 is: 74,090.70
Step by Step Solution
- Step 1: Write the proportion equation
68,220.56 : 102,206.16 = 49,454.06 : x - Step 2: Convert to fraction form
68,220.56/102,206.16 = 49,454.06/x - Step 3: Cross multiply
68,220.56x = 102,206.16 × 49,454.06 - Step 4: Simplify right side
68,220.56x = 5,054,509,057.98 - Step 5: Solve for x
x = 5,054,509,057.98/68,220.56 - Step 6: Final answer
x = 74,090.70
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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.