Finding the Fourth Proportional to 85,205.34, 127,803.36 and 26,040.99
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Solution
The fourth proportional to 85,205.34, 127,803.36 and 26,040.99 is: 39,060.06
Step by Step Solution
- Step 1: Write the proportion equation
85,205.34 : 127,803.36 = 26,040.99 : x - Step 2: Convert to fraction form
85,205.34/127,803.36 = 26,040.99/x - Step 3: Cross multiply
85,205.34x = 127,803.36 × 26,040.99 - Step 4: Simplify right side
85,205.34x = 3,328,126,019.73 - Step 5: Solve for x
x = 3,328,126,019.73/85,205.34 - Step 6: Final answer
x = 39,060.06
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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.