Finding the Fourth Proportional to 97,824.12, 134,477.54 and 84,161.94
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Solution
The fourth proportional to 97,824.12, 134,477.54 and 84,161.94 is: 115,696.32
Step by Step Solution
- Step 1: Write the proportion equation
97,824.12 : 134,477.54 = 84,161.94 : x - Step 2: Convert to fraction form
97,824.12/134,477.54 = 84,161.94/x - Step 3: Cross multiply
97,824.12x = 134,477.54 × 84,161.94 - Step 4: Simplify right side
97,824.12x = 11,317,890,232.02 - Step 5: Solve for x
x = 11,317,890,232.02/97,824.12 - Step 6: Final answer
x = 115,696.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.