Finding the Fourth Proportional to 84,107.63, 125,625.28 and 76,090.08
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Solution
The fourth proportional to 84,107.63, 125,625.28 and 76,090.08 is: 113,650.07
Step by Step Solution
- Step 1: Write the proportion equation
84,107.63 : 125,625.28 = 76,090.08 : x - Step 2: Convert to fraction form
84,107.63/125,625.28 = 76,090.08/x - Step 3: Cross multiply
84,107.63x = 125,625.28 × 76,090.08 - Step 4: Simplify right side
84,107.63x = 9,558,838,028.76 - Step 5: Solve for x
x = 9,558,838,028.76/84,107.63 - Step 6: Final answer
x = 113,650.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.