Finding the Fourth Proportional to 75,163.80, 112,709.34 and 27,746.76
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Solution
The fourth proportional to 75,163.80, 112,709.34 and 27,746.76 is: 41,606.72
Step by Step Solution
- Step 1: Write the proportion equation
75,163.80 : 112,709.34 = 27,746.76 : x - Step 2: Convert to fraction form
75,163.80/112,709.34 = 27,746.76/x - Step 3: Cross multiply
75,163.80x = 112,709.34 × 27,746.76 - Step 4: Simplify right side
75,163.80x = 3,127,319,006.74 - Step 5: Solve for x
x = 3,127,319,006.74/75,163.80 - Step 6: Final answer
x = 41,606.72
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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.