Finding the Fourth Proportional to 107,072.15, 147,759.26 and 59,325.48
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Solution
The fourth proportional to 107,072.15, 147,759.26 and 59,325.48 is: 81,868.99
Step by Step Solution
- Step 1: Write the proportion equation
107,072.15 : 147,759.26 = 59,325.48 : x - Step 2: Convert to fraction form
107,072.15/147,759.26 = 59,325.48/x - Step 3: Cross multiply
107,072.15x = 147,759.26 × 59,325.48 - Step 4: Simplify right side
107,072.15x = 8,765,888,727.32 - Step 5: Solve for x
x = 8,765,888,727.32/107,072.15 - Step 6: Final answer
x = 81,868.99
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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.