Finding the Fourth Proportional to 75,959.18, 104,829.79 and 41,970.63
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Solution
The fourth proportional to 75,959.18, 104,829.79 and 41,970.63 is: 57,922.85
Step by Step Solution
- Step 1: Write the proportion equation
75,959.18 : 104,829.79 = 41,970.63 : x - Step 2: Convert to fraction form
75,959.18/104,829.79 = 41,970.63/x - Step 3: Cross multiply
75,959.18x = 104,829.79 × 41,970.63 - Step 4: Simplify right side
75,959.18x = 4,399,772,119.21 - Step 5: Solve for x
x = 4,399,772,119.21/75,959.18 - Step 6: Final answer
x = 57,922.85
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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.