Finding the Fourth Proportional to 75,254.16, 103,863.97 and 57,164.84
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Solution
The fourth proportional to 75,254.16, 103,863.97 and 57,164.84 is: 78,897.52
Step by Step Solution
- Step 1: Write the proportion equation
75,254.16 : 103,863.97 = 57,164.84 : x - Step 2: Convert to fraction form
75,254.16/103,863.97 = 57,164.84/x - Step 3: Cross multiply
75,254.16x = 103,863.97 × 57,164.84 - Step 4: Simplify right side
75,254.16x = 5,937,367,168.44 - Step 5: Solve for x
x = 5,937,367,168.44/75,254.16 - Step 6: Final answer
x = 78,897.52
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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.