Finding the Fourth Proportional to 78,525.17, 108,340.28 and 44,530.99
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Solution
The fourth proportional to 78,525.17, 108,340.28 and 44,530.99 is: 61,438.90
Step by Step Solution
- Step 1: Write the proportion equation
78,525.17 : 108,340.28 = 44,530.99 : x - Step 2: Convert to fraction form
78,525.17/108,340.28 = 44,530.99/x - Step 3: Cross multiply
78,525.17x = 108,340.28 × 44,530.99 - Step 4: Simplify right side
78,525.17x = 4,824,500,153.96 - Step 5: Solve for x
x = 4,824,500,153.96/78,525.17 - Step 6: Final answer
x = 61,438.90
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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.