Finding the Fourth Proportional to 86,470.11, 119,334.24 and 48,746.79
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Solution
The fourth proportional to 86,470.11, 119,334.24 and 48,746.79 is: 67,273.66
Step by Step Solution
- Step 1: Write the proportion equation
86,470.11 : 119,334.24 = 48,746.79 : x - Step 2: Convert to fraction form
86,470.11/119,334.24 = 48,746.79/x - Step 3: Cross multiply
86,470.11x = 119,334.24 × 48,746.79 - Step 4: Simplify right side
86,470.11x = 5,817,161,137.09 - Step 5: Solve for x
x = 5,817,161,137.09/86,470.11 - Step 6: Final answer
x = 67,273.66
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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.