Finding the Fourth Proportional to 92,742.08, 127,986.97 and 52,455.06
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Solution
The fourth proportional to 92,742.08, 127,986.97 and 52,455.06 is: 72,389.62
Step by Step Solution
- Step 1: Write the proportion equation
92,742.08 : 127,986.97 = 52,455.06 : x - Step 2: Convert to fraction form
92,742.08/127,986.97 = 52,455.06/x - Step 3: Cross multiply
92,742.08x = 127,986.97 × 52,455.06 - Step 4: Simplify right side
92,742.08x = 6,713,563,550.63 - Step 5: Solve for x
x = 6,713,563,550.63/92,742.08 - Step 6: Final answer
x = 72,389.62
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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.