Finding the Fourth Proportional to 91,252.06, 125,900.29 and 53,004.17
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Solution
The fourth proportional to 91,252.06, 125,900.29 and 53,004.17 is: 73,129.75
Step by Step Solution
- Step 1: Write the proportion equation
91,252.06 : 125,900.29 = 53,004.17 : x - Step 2: Convert to fraction form
91,252.06/125,900.29 = 53,004.17/x - Step 3: Cross multiply
91,252.06x = 125,900.29 × 53,004.17 - Step 4: Simplify right side
91,252.06x = 6,673,240,070.31 - Step 5: Solve for x
x = 6,673,240,070.31/91,252.06 - Step 6: Final answer
x = 73,129.75
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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.