Finding the Fourth Proportional to 86,848.92, 130,271.85 and 27,684.09
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Solution
The fourth proportional to 86,848.92, 130,271.85 and 27,684.09 is: 41,525.65
Step by Step Solution
- Step 1: Write the proportion equation
86,848.92 : 130,271.85 = 27,684.09 : x - Step 2: Convert to fraction form
86,848.92/130,271.85 = 27,684.09/x - Step 3: Cross multiply
86,848.92x = 130,271.85 × 27,684.09 - Step 4: Simplify right side
86,848.92x = 3,606,457,619.87 - Step 5: Solve for x
x = 3,606,457,619.87/86,848.92 - Step 6: Final answer
x = 41,525.65
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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.