Finding the Fourth Proportional to 84,905.36, 117,164.04 and 47,177.36
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Solution
The fourth proportional to 84,905.36, 117,164.04 and 47,177.36 is: 65,101.78
Step by Step Solution
- Step 1: Write the proportion equation
84,905.36 : 117,164.04 = 47,177.36 : x - Step 2: Convert to fraction form
84,905.36/117,164.04 = 47,177.36/x - Step 3: Cross multiply
84,905.36x = 117,164.04 × 47,177.36 - Step 4: Simplify right side
84,905.36x = 5,527,490,094.13 - Step 5: Solve for x
x = 5,527,490,094.13/84,905.36 - Step 6: Final answer
x = 65,101.78
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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.