Finding the Fourth Proportional to 115,059.06, 158,781.11 and 64,072.44
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Solution
The fourth proportional to 115,059.06, 158,781.11 and 64,072.44 is: 88,419.75
Step by Step Solution
- Step 1: Write the proportion equation
115,059.06 : 158,781.11 = 64,072.44 : x - Step 2: Convert to fraction form
115,059.06/158,781.11 = 64,072.44/x - Step 3: Cross multiply
115,059.06x = 158,781.11 × 64,072.44 - Step 4: Simplify right side
115,059.06x = 10,173,492,823.25 - Step 5: Solve for x
x = 10,173,492,823.25/115,059.06 - Step 6: Final answer
x = 88,419.75
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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.