Finding the Fourth Proportional to 75,360.58, 113,037.30 and 27,985.09
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Solution
The fourth proportional to 75,360.58, 113,037.30 and 27,985.09 is: 41,976.31
Step by Step Solution
- Step 1: Write the proportion equation
75,360.58 : 113,037.30 = 27,985.09 : x - Step 2: Convert to fraction form
75,360.58/113,037.30 = 27,985.09/x - Step 3: Cross multiply
75,360.58x = 113,037.30 × 27,985.09 - Step 4: Simplify right side
75,360.58x = 3,163,359,013.86 - Step 5: Solve for x
x = 3,163,359,013.86/75,360.58 - Step 6: Final answer
x = 41,976.31
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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.