Finding the Fourth Proportional to 93,422.82, 128,926.22 and 50,984.09
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Solution
The fourth proportional to 93,422.82, 128,926.22 and 50,984.09 is: 70,359.52
Step by Step Solution
- Step 1: Write the proportion equation
93,422.82 : 128,926.22 = 50,984.09 : x - Step 2: Convert to fraction form
93,422.82/128,926.22 = 50,984.09/x - Step 3: Cross multiply
93,422.82x = 128,926.22 × 50,984.09 - Step 4: Simplify right side
93,422.82x = 6,573,185,104.29 - Step 5: Solve for x
x = 6,573,185,104.29/93,422.82 - Step 6: Final answer
x = 70,359.52
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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.