Finding the Fourth Proportional to 86,999.06, 130,514.99 and 27,818.84
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Solution
The fourth proportional to 86,999.06, 130,514.99 and 27,818.84 is: 41,733.50
Step by Step Solution
- Step 1: Write the proportion equation
86,999.06 : 130,514.99 = 27,818.84 : x - Step 2: Convert to fraction form
86,999.06/130,514.99 = 27,818.84/x - Step 3: Cross multiply
86,999.06x = 130,514.99 × 27,818.84 - Step 4: Simplify right side
86,999.06x = 3,630,774,832.74 - Step 5: Solve for x
x = 3,630,774,832.74/86,999.06 - Step 6: Final answer
x = 41,733.50
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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.