Finding the Fourth Proportional to 75,301.08, 103,915.50 and 41,767.08
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Solution
The fourth proportional to 75,301.08, 103,915.50 and 41,767.08 is: 57,638.58
Step by Step Solution
- Step 1: Write the proportion equation
75,301.08 : 103,915.50 = 41,767.08 : x - Step 2: Convert to fraction form
75,301.08/103,915.50 = 41,767.08/x - Step 3: Cross multiply
75,301.08x = 103,915.50 × 41,767.08 - Step 4: Simplify right side
75,301.08x = 4,340,247,001.74 - Step 5: Solve for x
x = 4,340,247,001.74/75,301.08 - Step 6: Final answer
x = 57,638.58
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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.