Finding the Fourth Proportional to 104,324.07, 143,967.38 and 56,577.09
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Solution
The fourth proportional to 104,324.07, 143,967.38 and 56,577.09 is: 78,076.47
Step by Step Solution
- Step 1: Write the proportion equation
104,324.07 : 143,967.38 = 56,577.09 : x - Step 2: Convert to fraction form
104,324.07/143,967.38 = 56,577.09/x - Step 3: Cross multiply
104,324.07x = 143,967.38 × 56,577.09 - Step 4: Simplify right side
104,324.07x = 8,145,255,132.44 - Step 5: Solve for x
x = 8,145,255,132.44/104,324.07 - Step 6: Final answer
x = 78,076.47
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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.