Finding the Fourth Proportional to 79,850.96, 110,199.36 and 45,870.08
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Solution
The fourth proportional to 79,850.96, 110,199.36 and 45,870.08 is: 63,303.60
Step by Step Solution
- Step 1: Write the proportion equation
79,850.96 : 110,199.36 = 45,870.08 : x - Step 2: Convert to fraction form
79,850.96/110,199.36 = 45,870.08/x - Step 3: Cross multiply
79,850.96x = 110,199.36 × 45,870.08 - Step 4: Simplify right side
79,850.96x = 5,054,853,459.15 - Step 5: Solve for x
x = 5,054,853,459.15/79,850.96 - Step 6: Final answer
x = 63,303.60
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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.