Finding the Fourth Proportional to 104,080.85, 143,631.68 and 56,334.08
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Solution
The fourth proportional to 104,080.85, 143,631.68 and 56,334.08 is: 77,741.09
Step by Step Solution
- Step 1: Write the proportion equation
104,080.85 : 143,631.68 = 56,334.08 : x - Step 2: Convert to fraction form
104,080.85/143,631.68 = 56,334.08/x - Step 3: Cross multiply
104,080.85x = 143,631.68 × 56,334.08 - Step 4: Simplify right side
104,080.85x = 8,091,358,945.94 - Step 5: Solve for x
x = 8,091,358,945.94/104,080.85 - Step 6: Final answer
x = 77,741.09
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1.5x scale
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.