Finding the Fourth Proportional to 76,657.84, 114,987.27 and 26,737.75
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Solution
The fourth proportional to 76,657.84, 114,987.27 and 26,737.75 is: 40,106.80
Step by Step Solution
- Step 1: Write the proportion equation
76,657.84 : 114,987.27 = 26,737.75 : x - Step 2: Convert to fraction form
76,657.84/114,987.27 = 26,737.75/x - Step 3: Cross multiply
76,657.84x = 114,987.27 × 26,737.75 - Step 4: Simplify right side
76,657.84x = 3,074,500,878.44 - Step 5: Solve for x
x = 3,074,500,878.44/76,657.84 - Step 6: Final answer
x = 40,106.80
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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.