Finding the Fourth Proportional to 77,494.07, 106,914.30 and 50,652.08
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Solution
The fourth proportional to 77,494.07, 106,914.30 and 50,652.08 is: 69,881.88
Step by Step Solution
- Step 1: Write the proportion equation
77,494.07 : 106,914.30 = 50,652.08 : x - Step 2: Convert to fraction form
77,494.07/106,914.30 = 50,652.08/x - Step 3: Cross multiply
77,494.07x = 106,914.30 × 50,652.08 - Step 4: Simplify right side
77,494.07x = 5,415,431,142.17 - Step 5: Solve for x
x = 5,415,431,142.17/77,494.07 - Step 6: Final answer
x = 69,881.88
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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.