Finding the Fourth Proportional to 92,434.95, 138,673.26 and 29,258.84
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Solution
The fourth proportional to 92,434.95, 138,673.26 and 29,258.84 is: 43,894.86
Step by Step Solution
- Step 1: Write the proportion equation
92,434.95 : 138,673.26 = 29,258.84 : x - Step 2: Convert to fraction form
92,434.95/138,673.26 = 29,258.84/x - Step 3: Cross multiply
92,434.95x = 138,673.26 × 29,258.84 - Step 4: Simplify right side
92,434.95x = 4,057,419,073.30 - Step 5: Solve for x
x = 4,057,419,073.30/92,434.95 - Step 6: Final answer
x = 43,894.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.