Finding the Fourth Proportional to 83,974.02, 125,935.14 and 27,802.56
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Solution
The fourth proportional to 83,974.02, 125,935.14 and 27,802.56 is: 41,695.27
Step by Step Solution
- Step 1: Write the proportion equation
83,974.02 : 125,935.14 = 27,802.56 : x - Step 2: Convert to fraction form
83,974.02/125,935.14 = 27,802.56/x - Step 3: Cross multiply
83,974.02x = 125,935.14 × 27,802.56 - Step 4: Simplify right side
83,974.02x = 3,501,319,285.96 - Step 5: Solve for x
x = 3,501,319,285.96/83,974.02 - Step 6: Final answer
x = 41,695.27
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1.5x scale
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.