Finding the Fourth Proportional to 92,444.15, 138,686.97 and 29,268.05
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Solution
The fourth proportional to 92,444.15, 138,686.97 and 29,268.05 is: 43,908.64
Step by Step Solution
- Step 1: Write the proportion equation
92,444.15 : 138,686.97 = 29,268.05 : x - Step 2: Convert to fraction form
92,444.15/138,686.97 = 29,268.05/x - Step 3: Cross multiply
92,444.15x = 138,686.97 × 29,268.05 - Step 4: Simplify right side
92,444.15x = 4,059,097,204.11 - Step 5: Solve for x
x = 4,059,097,204.11/92,444.15 - Step 6: Final answer
x = 43,908.64
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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.