Finding the Fourth Proportional to 92,179.45, 138,238.42 and 36,004.99
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Solution
The fourth proportional to 92,179.45, 138,238.42 and 36,004.99 is: 53,995.47
Step by Step Solution
- Step 1: Write the proportion equation
92,179.45 : 138,238.42 = 36,004.99 : x - Step 2: Convert to fraction form
92,179.45/138,238.42 = 36,004.99/x - Step 3: Cross multiply
92,179.45x = 138,238.42 × 36,004.99 - Step 4: Simplify right side
92,179.45x = 4,977,272,929.72 - Step 5: Solve for x
x = 4,977,272,929.72/92,179.45 - Step 6: Final answer
x = 53,995.47
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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.