Finding the Fourth Proportional to 83,159.05, 124,817.43 and 51,473.26
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Solution
The fourth proportional to 83,159.05, 124,817.43 and 51,473.26 is: 77,258.70
Step by Step Solution
- Step 1: Write the proportion equation
83,159.05 : 124,817.43 = 51,473.26 : x - Step 2: Convert to fraction form
83,159.05/124,817.43 = 51,473.26/x - Step 3: Cross multiply
83,159.05x = 124,817.43 × 51,473.26 - Step 4: Simplify right side
83,159.05x = 6,424,760,026.92 - Step 5: Solve for x
x = 6,424,760,026.92/83,159.05 - Step 6: Final answer
x = 77,258.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.