Finding the Fourth Proportional to 86,327.58, 129,610.62 and 59,610.87
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Solution
The fourth proportional to 86,327.58, 129,610.62 and 59,610.87 is: 89,498.65
Step by Step Solution
- Step 1: Write the proportion equation
86,327.58 : 129,610.62 = 59,610.87 : x - Step 2: Convert to fraction form
86,327.58/129,610.62 = 59,610.87/x - Step 3: Cross multiply
86,327.58x = 129,610.62 × 59,610.87 - Step 4: Simplify right side
86,327.58x = 7,726,201,819.44 - Step 5: Solve for x
x = 7,726,201,819.44/86,327.58 - Step 6: Final answer
x = 89,498.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.