Finding the Fourth Proportional to 76,294.44, 114,294.06 and 42,913.08
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Solution
The fourth proportional to 76,294.44, 114,294.06 and 42,913.08 is: 64,286.60
Step by Step Solution
- Step 1: Write the proportion equation
76,294.44 : 114,294.06 = 42,913.08 : x - Step 2: Convert to fraction form
76,294.44/114,294.06 = 42,913.08/x - Step 3: Cross multiply
76,294.44x = 114,294.06 × 42,913.08 - Step 4: Simplify right side
76,294.44x = 4,904,710,140.30 - Step 5: Solve for x
x = 4,904,710,140.30/76,294.44 - Step 6: Final answer
x = 64,286.60
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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.