Finding the Fourth Proportional to 83,433.04, 125,163.20 and 27,256.84
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Solution
The fourth proportional to 83,433.04, 125,163.20 and 27,256.84 is: 40,889.71
Step by Step Solution
- Step 1: Write the proportion equation
83,433.04 : 125,163.20 = 27,256.84 : x - Step 2: Convert to fraction form
83,433.04/125,163.20 = 27,256.84/x - Step 3: Cross multiply
83,433.04x = 125,163.20 × 27,256.84 - Step 4: Simplify right side
83,433.04x = 3,411,553,071.52 - Step 5: Solve for x
x = 3,411,553,071.52/83,433.04 - Step 6: Final answer
x = 40,889.71
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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.