Finding the Fourth Proportional to 83,518.99, 125,305.99 and 55,549.08
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Solution
The fourth proportional to 83,518.99, 125,305.99 and 55,549.08 is: 83,341.91
Step by Step Solution
- Step 1: Write the proportion equation
83,518.99 : 125,305.99 = 55,549.08 : x - Step 2: Convert to fraction form
83,518.99/125,305.99 = 55,549.08/x - Step 3: Cross multiply
83,518.99x = 125,305.99 × 55,549.08 - Step 4: Simplify right side
83,518.99x = 6,960,632,324.12 - Step 5: Solve for x
x = 6,960,632,324.12/83,518.99 - Step 6: Final answer
x = 83,341.91
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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.