Finding the Fourth Proportional to 73,830.09, 101,850.06 and 48,325.21
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Solution
The fourth proportional to 73,830.09, 101,850.06 and 48,325.21 is: 66,665.58
Step by Step Solution
- Step 1: Write the proportion equation
73,830.09 : 101,850.06 = 48,325.21 : x - Step 2: Convert to fraction form
73,830.09/101,850.06 = 48,325.21/x - Step 3: Cross multiply
73,830.09x = 101,850.06 × 48,325.21 - Step 4: Simplify right side
73,830.09x = 4,921,925,417.20 - Step 5: Solve for x
x = 4,921,925,417.20/73,830.09 - Step 6: Final answer
x = 66,665.58
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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.