Finding the Fourth Proportional to 97,984.25, 135,242.75 and 60,236.63
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Solution
The fourth proportional to 97,984.25, 135,242.75 and 60,236.63 is: 83,141.60
Step by Step Solution
- Step 1: Write the proportion equation
97,984.25 : 135,242.75 = 60,236.63 : x - Step 2: Convert to fraction form
97,984.25/135,242.75 = 60,236.63/x - Step 3: Cross multiply
97,984.25x = 135,242.75 × 60,236.63 - Step 4: Simplify right side
97,984.25x = 8,146,566,966.31 - Step 5: Solve for x
x = 8,146,566,966.31/97,984.25 - Step 6: Final answer
x = 83,141.60
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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.