Finding the Fourth Proportional to 97,940.98, 135,187.44 and 63,954.75
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Solution
The fourth proportional to 97,940.98, 135,187.44 and 63,954.75 is: 88,276.42
Step by Step Solution
- Step 1: Write the proportion equation
97,940.98 : 135,187.44 = 63,954.75 : x - Step 2: Convert to fraction form
97,940.98/135,187.44 = 63,954.75/x - Step 3: Cross multiply
97,940.98x = 135,187.44 × 63,954.75 - Step 4: Simplify right side
97,940.98x = 8,645,878,608.57 - Step 5: Solve for x
x = 8,645,878,608.57/97,940.98 - Step 6: Final answer
x = 88,276.42
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1.5x scale
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.