Finding the Fourth Proportional to 75,101.06, 103,639.57 and 46,806.75
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Solution
The fourth proportional to 75,101.06, 103,639.57 and 46,806.75 is: 64,593.38
Step by Step Solution
- Step 1: Write the proportion equation
75,101.06 : 103,639.57 = 46,806.75 : x - Step 2: Convert to fraction form
75,101.06/103,639.57 = 46,806.75/x - Step 3: Cross multiply
75,101.06x = 103,639.57 × 46,806.75 - Step 4: Simplify right side
75,101.06x = 4,851,031,326.08 - Step 5: Solve for x
x = 4,851,031,326.08/75,101.06 - Step 6: Final answer
x = 64,593.38
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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.