Finding the Fourth Proportional to 86,057.19, 118,693.17 and 62,262.63
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Solution
The fourth proportional to 86,057.19, 118,693.17 and 62,262.63 is: 85,874.86
Step by Step Solution
- Step 1: Write the proportion equation
86,057.19 : 118,693.17 = 62,262.63 : x - Step 2: Convert to fraction form
86,057.19/118,693.17 = 62,262.63/x - Step 3: Cross multiply
86,057.19x = 118,693.17 × 62,262.63 - Step 4: Simplify right side
86,057.19x = 7,390,148,927.24 - Step 5: Solve for x
x = 7,390,148,927.24/86,057.19 - Step 6: Final answer
x = 85,874.86
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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.