Finding the Fourth Proportional to 83,889.36, 125,807.34 and 27,718.98
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Solution
The fourth proportional to 83,889.36, 125,807.34 and 27,718.98 is: 41,569.65
Step by Step Solution
- Step 1: Write the proportion equation
83,889.36 : 125,807.34 = 27,718.98 : x - Step 2: Convert to fraction form
83,889.36/125,807.34 = 27,718.98/x - Step 3: Cross multiply
83,889.36x = 125,807.34 × 27,718.98 - Step 4: Simplify right side
83,889.36x = 3,487,251,141.31 - Step 5: Solve for x
x = 3,487,251,141.31/83,889.36 - Step 6: Final answer
x = 41,569.65
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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.