Finding the Fourth Proportional to 87,130.08, 130,720.08 and 27,964.32
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Solution
The fourth proportional to 87,130.08, 130,720.08 and 27,964.32 is: 41,954.49
Step by Step Solution
- Step 1: Write the proportion equation
87,130.08 : 130,720.08 = 27,964.32 : x - Step 2: Convert to fraction form
87,130.08/130,720.08 = 27,964.32/x - Step 3: Cross multiply
87,130.08x = 130,720.08 × 27,964.32 - Step 4: Simplify right side
87,130.08x = 3,655,498,147.55 - Step 5: Solve for x
x = 3,655,498,147.55/87,130.08 - Step 6: Final answer
x = 41,954.49
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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.