Finding the Fourth Proportional to 85,303.83, 117,681.21 and 49,473.09
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Solution
The fourth proportional to 85,303.83, 117,681.21 and 49,473.09 is: 68,250.78
Step by Step Solution
- Step 1: Write the proportion equation
85,303.83 : 117,681.21 = 49,473.09 : x - Step 2: Convert to fraction form
85,303.83/117,681.21 = 49,473.09/x - Step 3: Cross multiply
85,303.83x = 117,681.21 × 49,473.09 - Step 4: Simplify right side
85,303.83x = 5,822,053,093.64 - Step 5: Solve for x
x = 5,822,053,093.64/85,303.83 - Step 6: Final answer
x = 68,250.78
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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.