Finding the Fourth Proportional to 95,291.36, 142,926.88 and 39,137.28
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Solution
The fourth proportional to 95,291.36, 142,926.88 and 39,137.28 is: 58,701.75
Step by Step Solution
- Step 1: Write the proportion equation
95,291.36 : 142,926.88 = 39,137.28 : x - Step 2: Convert to fraction form
95,291.36/142,926.88 = 39,137.28/x - Step 3: Cross multiply
95,291.36x = 142,926.88 × 39,137.28 - Step 4: Simplify right side
95,291.36x = 5,593,769,322.09 - Step 5: Solve for x
x = 5,593,769,322.09/95,291.36 - Step 6: Final answer
x = 58,701.75
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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.