Finding the Fourth Proportional to 103,257.26, 142,489.95 and 58,536.62
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Solution
The fourth proportional to 103,257.26, 142,489.95 and 58,536.62 is: 80,777.66
Step by Step Solution
- Step 1: Write the proportion equation
103,257.26 : 142,489.95 = 58,536.62 : x - Step 2: Convert to fraction form
103,257.26/142,489.95 = 58,536.62/x - Step 3: Cross multiply
103,257.26x = 142,489.95 × 58,536.62 - Step 4: Simplify right side
103,257.26x = 8,340,880,056.97 - Step 5: Solve for x
x = 8,340,880,056.97/103,257.26 - Step 6: Final answer
x = 80,777.66
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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.