Finding the Fourth Proportional to 85,088.49, 117,433.13 and 48,804.09
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Solution
The fourth proportional to 85,088.49, 117,433.13 and 48,804.09 is: 67,355.96
Step by Step Solution
- Step 1: Write the proportion equation
85,088.49 : 117,433.13 = 48,804.09 : x - Step 2: Convert to fraction form
85,088.49/117,433.13 = 48,804.09/x - Step 3: Cross multiply
85,088.49x = 117,433.13 × 48,804.09 - Step 4: Simplify right side
85,088.49x = 5,731,216,801.48 - Step 5: Solve for x
x = 5,731,216,801.48/85,088.49 - Step 6: Final answer
x = 67,355.96
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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.