Finding the Fourth Proportional to 76,958.44, 106,204.30 and 42,503.08
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Solution
The fourth proportional to 76,958.44, 106,204.30 and 42,503.08 is: 58,655.16
Step by Step Solution
- Step 1: Write the proportion equation
76,958.44 : 106,204.30 = 42,503.08 : x - Step 2: Convert to fraction form
76,958.44/106,204.30 = 42,503.08/x - Step 3: Cross multiply
76,958.44x = 106,204.30 × 42,503.08 - Step 4: Simplify right side
76,958.44x = 4,514,009,859.24 - Step 5: Solve for x
x = 4,514,009,859.24/76,958.44 - Step 6: Final answer
x = 58,655.16
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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.