Finding the Fourth Proportional to 75,602.32, 113,337.72 and 31,201.36
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Solution
The fourth proportional to 75,602.32, 113,337.72 and 31,201.36 is: 46,774.90
Step by Step Solution
- Step 1: Write the proportion equation
75,602.32 : 113,337.72 = 31,201.36 : x - Step 2: Convert to fraction form
75,602.32/113,337.72 = 31,201.36/x - Step 3: Cross multiply
75,602.32x = 113,337.72 × 31,201.36 - Step 4: Simplify right side
75,602.32x = 3,536,291,003.30 - Step 5: Solve for x
x = 3,536,291,003.30/75,602.32 - Step 6: Final answer
x = 46,774.90
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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.