Finding the Fourth Proportional to 86,826.04, 130,239.06 and 27,661.88
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Solution
The fourth proportional to 86,826.04, 130,239.06 and 27,661.88 is: 41,492.82
Step by Step Solution
- Step 1: Write the proportion equation
86,826.04 : 130,239.06 = 27,661.88 : x - Step 2: Convert to fraction form
86,826.04/130,239.06 = 27,661.88/x - Step 3: Cross multiply
86,826.04x = 130,239.06 × 27,661.88 - Step 4: Simplify right side
86,826.04x = 3,602,657,249.03 - Step 5: Solve for x
x = 3,602,657,249.03/86,826.04 - Step 6: Final answer
x = 41,492.82
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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.