Finding the Fourth Proportional to 86,741.58, 130,112.38 and 24,412.08
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Solution
The fourth proportional to 86,741.58, 130,112.38 and 24,412.08 is: 36,618.12
Step by Step Solution
- Step 1: Write the proportion equation
86,741.58 : 130,112.38 = 24,412.08 : x - Step 2: Convert to fraction form
86,741.58/130,112.38 = 24,412.08/x - Step 3: Cross multiply
86,741.58x = 130,112.38 × 24,412.08 - Step 4: Simplify right side
86,741.58x = 3,176,313,829.55 - Step 5: Solve for x
x = 3,176,313,829.55/86,741.58 - Step 6: Final answer
x = 36,618.12
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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.