Finding the Fourth Proportional to 86,460.19, 119,315.06 and 48,734.44
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Solution
The fourth proportional to 86,460.19, 119,315.06 and 48,734.44 is: 67,253.52
Step by Step Solution
- Step 1: Write the proportion equation
86,460.19 : 119,315.06 = 48,734.44 : x - Step 2: Convert to fraction form
86,460.19/119,315.06 = 48,734.44/x - Step 3: Cross multiply
86,460.19x = 119,315.06 × 48,734.44 - Step 4: Simplify right side
86,460.19x = 5,814,752,273.46 - Step 5: Solve for x
x = 5,814,752,273.46/86,460.19 - Step 6: Final answer
x = 67,253.52
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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.