Finding the Fourth Proportional to 84,804.05, 117,015.95 and 48,998.81
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Solution
The fourth proportional to 84,804.05, 117,015.95 and 48,998.81 is: 67,610.47
Step by Step Solution
- Step 1: Write the proportion equation
84,804.05 : 117,015.95 = 48,998.81 : x - Step 2: Convert to fraction form
84,804.05/117,015.95 = 48,998.81/x - Step 3: Cross multiply
84,804.05x = 117,015.95 × 48,998.81 - Step 4: Simplify right side
84,804.05x = 5,733,641,470.95 - Step 5: Solve for x
x = 5,733,641,470.95/84,804.05 - Step 6: Final answer
x = 67,610.47
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1.5x scale
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.