Finding the Fourth Proportional to 76,248.08, 114,395.64 and 34,163.60
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Solution
The fourth proportional to 76,248.08, 114,395.64 and 34,163.60 is: 51,255.94
Step by Step Solution
- Step 1: Write the proportion equation
76,248.08 : 114,395.64 = 34,163.60 : x - Step 2: Convert to fraction form
76,248.08/114,395.64 = 34,163.60/x - Step 3: Cross multiply
76,248.08x = 114,395.64 × 34,163.60 - Step 4: Simplify right side
76,248.08x = 3,908,166,886.70 - Step 5: Solve for x
x = 3,908,166,886.70/76,248.08 - Step 6: Final answer
x = 51,255.94
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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.