Finding the Fourth Proportional to 98,599.05, 148,029.93 and 66,685.31
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Solution
The fourth proportional to 98,599.05, 148,029.93 and 66,685.31 is: 100,116.79
Step by Step Solution
- Step 1: Write the proportion equation
98,599.05 : 148,029.93 = 66,685.31 : x - Step 2: Convert to fraction form
98,599.05/148,029.93 = 66,685.31/x - Step 3: Cross multiply
98,599.05x = 148,029.93 × 66,685.31 - Step 4: Simplify right side
98,599.05x = 9,871,420,697.75 - Step 5: Solve for x
x = 9,871,420,697.75/98,599.05 - Step 6: Final answer
x = 100,116.79
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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.