Finding the Fourth Proportional to 86,072.58, 118,767.24 and 48,339.54
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Solution
The fourth proportional to 86,072.58, 118,767.24 and 48,339.54 is: 66,701.31
Step by Step Solution
- Step 1: Write the proportion equation
86,072.58 : 118,767.24 = 48,339.54 : x - Step 2: Convert to fraction form
86,072.58/118,767.24 = 48,339.54/x - Step 3: Cross multiply
86,072.58x = 118,767.24 × 48,339.54 - Step 4: Simplify right side
86,072.58x = 5,741,153,748.67 - Step 5: Solve for x
x = 5,741,153,748.67/86,072.58 - Step 6: Final answer
x = 66,701.31
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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.