Finding the Fourth Proportional to 92,577.36, 127,756.86 and 50,135.94
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Solution
The fourth proportional to 92,577.36, 127,756.86 and 50,135.94 is: 69,187.65
Step by Step Solution
- Step 1: Write the proportion equation
92,577.36 : 127,756.86 = 50,135.94 : x - Step 2: Convert to fraction form
92,577.36/127,756.86 = 50,135.94/x - Step 3: Cross multiply
92,577.36x = 127,756.86 × 50,135.94 - Step 4: Simplify right side
92,577.36x = 6,405,210,267.55 - Step 5: Solve for x
x = 6,405,210,267.55/92,577.36 - Step 6: Final answer
x = 69,187.65
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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.