Finding the Fourth Proportional to 96,435.84, 133,080.57 and 53,995.08
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Solution
The fourth proportional to 96,435.84, 133,080.57 and 53,995.08 is: 74,512.71
Step by Step Solution
- Step 1: Write the proportion equation
96,435.84 : 133,080.57 = 53,995.08 : x - Step 2: Convert to fraction form
96,435.84/133,080.57 = 53,995.08/x - Step 3: Cross multiply
96,435.84x = 133,080.57 × 53,995.08 - Step 4: Simplify right side
96,435.84x = 7,185,696,023.60 - Step 5: Solve for x
x = 7,185,696,023.60/96,435.84 - Step 6: Final answer
x = 74,512.71
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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.