Finding the Fourth Proportional to 75,494.64, 113,243.04 and 28,750.08
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Solution
The fourth proportional to 75,494.64, 113,243.04 and 28,750.08 is: 43,125.53
Step by Step Solution
- Step 1: Write the proportion equation
75,494.64 : 113,243.04 = 28,750.08 : x - Step 2: Convert to fraction form
75,494.64/113,243.04 = 28,750.08/x - Step 3: Cross multiply
75,494.64x = 113,243.04 × 28,750.08 - Step 4: Simplify right side
75,494.64x = 3,255,746,459.44 - Step 5: Solve for x
x = 3,255,746,459.44/75,494.64 - Step 6: Final answer
x = 43,125.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.