Finding the Fourth Proportional to 84,903.12, 127,409.96 and 32,313.06
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Solution
The fourth proportional to 84,903.12, 127,409.96 and 32,313.06 is: 48,490.63
Step by Step Solution
- Step 1: Write the proportion equation
84,903.12 : 127,409.96 = 32,313.06 : x - Step 2: Convert to fraction form
84,903.12/127,409.96 = 32,313.06/x - Step 3: Cross multiply
84,903.12x = 127,409.96 × 32,313.06 - Step 4: Simplify right side
84,903.12x = 4,117,005,682.08 - Step 5: Solve for x
x = 4,117,005,682.08/84,903.12 - Step 6: Final answer
x = 48,490.63
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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.