Finding the Fourth Proportional to 92,164.68, 127,161.78 and 51,876.09
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Solution
The fourth proportional to 92,164.68, 127,161.78 and 51,876.09 is: 71,574.66
Step by Step Solution
- Step 1: Write the proportion equation
92,164.68 : 127,161.78 = 51,876.09 : x - Step 2: Convert to fraction form
92,164.68/127,161.78 = 51,876.09/x - Step 3: Cross multiply
92,164.68x = 127,161.78 × 51,876.09 - Step 4: Simplify right side
92,164.68x = 6,596,655,943.84 - Step 5: Solve for x
x = 6,596,655,943.84/92,164.68 - Step 6: Final answer
x = 71,574.66
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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.