Finding the Fourth Proportional to 84,865.04, 117,110.48 and 47,141.68
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Solution
The fourth proportional to 84,865.04, 117,110.48 and 47,141.68 is: 65,053.70
Step by Step Solution
- Step 1: Write the proportion equation
84,865.04 : 117,110.48 = 47,141.68 : x - Step 2: Convert to fraction form
84,865.04/117,110.48 = 47,141.68/x - Step 3: Cross multiply
84,865.04x = 117,110.48 × 47,141.68 - Step 4: Simplify right side
84,865.04x = 5,520,784,772.81 - Step 5: Solve for x
x = 5,520,784,772.81/84,865.04 - Step 6: Final answer
x = 65,053.70
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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.