Finding the Fourth Proportional to 75,763.08, 104,563.08 and 43,925.40
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Solution
The fourth proportional to 75,763.08, 104,563.08 and 43,925.40 is: 60,622.87
Step by Step Solution
- Step 1: Write the proportion equation
75,763.08 : 104,563.08 = 43,925.40 : x - Step 2: Convert to fraction form
75,763.08/104,563.08 = 43,925.40/x - Step 3: Cross multiply
75,763.08x = 104,563.08 × 43,925.40 - Step 4: Simplify right side
75,763.08x = 4,592,975,114.23 - Step 5: Solve for x
x = 4,592,975,114.23/75,763.08 - Step 6: Final answer
x = 60,622.87
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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.