Finding the Fourth Proportional to 86,768.72, 130,157.64 and 24,444.08
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Solution
The fourth proportional to 86,768.72, 130,157.64 and 24,444.08 is: 36,667.40
Step by Step Solution
- Step 1: Write the proportion equation
86,768.72 : 130,157.64 = 24,444.08 : x - Step 2: Convert to fraction form
86,768.72/130,157.64 = 24,444.08/x - Step 3: Cross multiply
86,768.72x = 130,157.64 × 24,444.08 - Step 4: Simplify right side
86,768.72x = 3,181,583,764.77 - Step 5: Solve for x
x = 3,181,583,764.77/86,768.72 - Step 6: Final answer
x = 36,667.40
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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.