Finding the Fourth Proportional to 76,898.22, 106,112.17 and 46,700.08
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Solution
The fourth proportional to 76,898.22, 106,112.17 and 46,700.08 is: 64,441.63
Step by Step Solution
- Step 1: Write the proportion equation
76,898.22 : 106,112.17 = 46,700.08 : x - Step 2: Convert to fraction form
76,898.22/106,112.17 = 46,700.08/x - Step 3: Cross multiply
76,898.22x = 106,112.17 × 46,700.08 - Step 4: Simplify right side
76,898.22x = 4,955,446,621.07 - Step 5: Solve for x
x = 4,955,446,621.07/76,898.22 - Step 6: Final answer
x = 64,441.63
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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.