Finding the Fourth Proportional to 80,317.98, 110,837.16 and 44,507.68
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Solution
The fourth proportional to 80,317.98, 110,837.16 and 44,507.68 is: 61,419.68
Step by Step Solution
- Step 1: Write the proportion equation
80,317.98 : 110,837.16 = 44,507.68 : x - Step 2: Convert to fraction form
80,317.98/110,837.16 = 44,507.68/x - Step 3: Cross multiply
80,317.98x = 110,837.16 × 44,507.68 - Step 4: Simplify right side
80,317.98x = 4,933,104,572.30 - Step 5: Solve for x
x = 4,933,104,572.30/80,317.98 - Step 6: Final answer
x = 61,419.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.