Finding the Fourth Proportional to 87,031.23, 130,548.66 and 27,866.73
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Solution
The fourth proportional to 87,031.23, 130,548.66 and 27,866.73 is: 41,800.68
Step by Step Solution
- Step 1: Write the proportion equation
87,031.23 : 130,548.66 = 27,866.73 : x - Step 2: Convert to fraction form
87,031.23/130,548.66 = 27,866.73/x - Step 3: Cross multiply
87,031.23x = 130,548.66 × 27,866.73 - Step 4: Simplify right side
87,031.23x = 3,637,964,260.08 - Step 5: Solve for x
x = 3,637,964,260.08/87,031.23 - Step 6: Final answer
x = 41,800.68
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1.5x scale
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.