Finding the Fourth Proportional to 75,826.05, 104,673.50 and 48,981.63
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Solution
The fourth proportional to 75,826.05, 104,673.50 and 48,981.63 is: 67,616.32
Step by Step Solution
- Step 1: Write the proportion equation
75,826.05 : 104,673.50 = 48,981.63 : x - Step 2: Convert to fraction form
75,826.05/104,673.50 = 48,981.63/x - Step 3: Cross multiply
75,826.05x = 104,673.50 × 48,981.63 - Step 4: Simplify right side
75,826.05x = 5,127,078,647.81 - Step 5: Solve for x
x = 5,127,078,647.81/75,826.05 - Step 6: Final answer
x = 67,616.32
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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.