Finding the Fourth Proportional to 84,665.19, 127,073.93 and 45,255.99
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Solution
The fourth proportional to 84,665.19, 127,073.93 and 45,255.99 is: 67,924.68
Step by Step Solution
- Step 1: Write the proportion equation
84,665.19 : 127,073.93 = 45,255.99 : x - Step 2: Convert to fraction form
84,665.19/127,073.93 = 45,255.99/x - Step 3: Cross multiply
84,665.19x = 127,073.93 × 45,255.99 - Step 4: Simplify right side
84,665.19x = 5,750,856,279.06 - Step 5: Solve for x
x = 5,750,856,279.06/84,665.19 - Step 6: Final answer
x = 67,924.68
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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.