Finding the Fourth Proportional to 76,701.17, 115,056.99 and 26,079.59
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Solution
The fourth proportional to 76,701.17, 115,056.99 and 26,079.59 is: 39,121.17
Step by Step Solution
- Step 1: Write the proportion equation
76,701.17 : 115,056.99 = 26,079.59 : x - Step 2: Convert to fraction form
76,701.17/115,056.99 = 26,079.59/x - Step 3: Cross multiply
76,701.17x = 115,056.99 × 26,079.59 - Step 4: Simplify right side
76,701.17x = 3,000,639,413.48 - Step 5: Solve for x
x = 3,000,639,413.48/76,701.17 - Step 6: Final answer
x = 39,121.17
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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.