Finding the Fourth Proportional to 70,917.75, 106,394.86 and 26,545.14
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Solution
The fourth proportional to 70,917.75, 106,394.86 and 26,545.14 is: 39,824.53
Step by Step Solution
- Step 1: Write the proportion equation
70,917.75 : 106,394.86 = 26,545.14 : x - Step 2: Convert to fraction form
70,917.75/106,394.86 = 26,545.14/x - Step 3: Cross multiply
70,917.75x = 106,394.86 × 26,545.14 - Step 4: Simplify right side
70,917.75x = 2,824,266,321.25 - Step 5: Solve for x
x = 2,824,266,321.25/70,917.75 - Step 6: Final answer
x = 39,824.53
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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.