Finding the Fourth Proportional to 117,837.08, 162,615.48 and 64,122.08
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Solution
The fourth proportional to 117,837.08, 162,615.48 and 64,122.08 is: 88,488.64
Step by Step Solution
- Step 1: Write the proportion equation
117,837.08 : 162,615.48 = 64,122.08 : x - Step 2: Convert to fraction form
117,837.08/162,615.48 = 64,122.08/x - Step 3: Cross multiply
117,837.08x = 162,615.48 × 64,122.08 - Step 4: Simplify right side
117,837.08x = 10,427,242,817.80 - Step 5: Solve for x
x = 10,427,242,817.80/117,837.08 - Step 6: Final answer
x = 88,488.64
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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.