Finding the Fourth Proportional to 83,868.12, 125,775.18 and 27,695.16
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Solution
The fourth proportional to 83,868.12, 125,775.18 and 27,695.16 is: 41,533.82
Step by Step Solution
- Step 1: Write the proportion equation
83,868.12 : 125,775.18 = 27,695.16 : x - Step 2: Convert to fraction form
83,868.12/125,775.18 = 27,695.16/x - Step 3: Cross multiply
83,868.12x = 125,775.18 × 27,695.16 - Step 4: Simplify right side
83,868.12x = 3,483,363,734.13 - Step 5: Solve for x
x = 3,483,363,734.13/83,868.12 - Step 6: Final answer
x = 41,533.82
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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.