Finding the Fourth Proportional to 68,998.65, 103,497.98 and 68,998.65
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Solution
The fourth proportional to 68,998.65, 103,497.98 and 68,998.65 is: 103,497.98
Step by Step Solution
- Step 1: Write the proportion equation
68,998.65 : 103,497.98 = 68,998.65 : x - Step 2: Convert to fraction form
68,998.65/103,497.98 = 68,998.65/x - Step 3: Cross multiply
68,998.65x = 103,497.98 × 68,998.65 - Step 4: Simplify right side
68,998.65x = 7,141,220,552.73 - Step 5: Solve for x
x = 7,141,220,552.73/68,998.65 - Step 6: Final answer
x = 103,497.98
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1.5x scale
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.