Finding the Fourth Proportional to 75,461.63, 104,137.07 and 41,927.63
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Solution
The fourth proportional to 75,461.63, 104,137.07 and 41,927.63 is: 57,860.14
Step by Step Solution
- Step 1: Write the proportion equation
75,461.63 : 104,137.07 = 41,927.63 : x - Step 2: Convert to fraction form
75,461.63/104,137.07 = 41,927.63/x - Step 3: Cross multiply
75,461.63x = 104,137.07 × 41,927.63 - Step 4: Simplify right side
75,461.63x = 4,366,219,809.92 - Step 5: Solve for x
x = 4,366,219,809.92/75,461.63 - Step 6: Final answer
x = 57,860.14
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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.