Finding the Fourth Proportional to 89,927.36, 124,098.27 and 49,640.09
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Solution
The fourth proportional to 89,927.36, 124,098.27 and 49,640.09 is: 68,502.49
Step by Step Solution
- Step 1: Write the proportion equation
89,927.36 : 124,098.27 = 49,640.09 : x - Step 2: Convert to fraction form
89,927.36/124,098.27 = 49,640.09/x - Step 3: Cross multiply
89,927.36x = 124,098.27 × 49,640.09 - Step 4: Simplify right side
89,927.36x = 6,160,248,671.15 - Step 5: Solve for x
x = 6,160,248,671.15/89,927.36 - Step 6: Final answer
x = 68,502.49
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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.