Finding the Fourth Proportional to 84,643.13, 126,927.77 and 32,015.70
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Solution
The fourth proportional to 84,643.13, 126,927.77 and 32,015.70 is: 48,009.59
Step by Step Solution
- Step 1: Write the proportion equation
84,643.13 : 126,927.77 = 32,015.70 : x - Step 2: Convert to fraction form
84,643.13/126,927.77 = 32,015.70/x - Step 3: Cross multiply
84,643.13x = 126,927.77 × 32,015.70 - Step 4: Simplify right side
84,643.13x = 4,063,681,486.03 - Step 5: Solve for x
x = 4,063,681,486.03/84,643.13 - Step 6: Final answer
x = 48,009.59
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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.