Finding the Fourth Proportional to 83,866.45, 115,734.75 and 62,451.98
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Solution
The fourth proportional to 83,866.45, 115,734.75 and 62,451.98 is: 86,183.02
Step by Step Solution
- Step 1: Write the proportion equation
83,866.45 : 115,734.75 = 62,451.98 : x - Step 2: Convert to fraction form
83,866.45/115,734.75 = 62,451.98/x - Step 3: Cross multiply
83,866.45x = 115,734.75 × 62,451.98 - Step 4: Simplify right side
83,866.45x = 7,227,864,292.31 - Step 5: Solve for x
x = 7,227,864,292.31/83,866.45 - Step 6: Final answer
x = 86,183.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.