Finding the Fourth Proportional to 83,952.97, 125,929.31 and 57,577.75
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Solution
The fourth proportional to 83,952.97, 125,929.31 and 57,577.75 is: 86,366.52
Step by Step Solution
- Step 1: Write the proportion equation
83,952.97 : 125,929.31 = 57,577.75 : x - Step 2: Convert to fraction form
83,952.97/125,929.31 = 57,577.75/x - Step 3: Cross multiply
83,952.97x = 125,929.31 × 57,577.75 - Step 4: Simplify right side
83,952.97x = 7,250,725,699.21 - Step 5: Solve for x
x = 7,250,725,699.21/83,952.97 - Step 6: Final answer
x = 86,366.52
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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.