Finding the Fourth Proportional to 79,853.96, 110,203.50 and 45,873.08
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Solution
The fourth proportional to 79,853.96, 110,203.50 and 45,873.08 is: 63,307.74
Step by Step Solution
- Step 1: Write the proportion equation
79,853.96 : 110,203.50 = 45,873.08 : x - Step 2: Convert to fraction form
79,853.96/110,203.50 = 45,873.08/x - Step 3: Cross multiply
79,853.96x = 110,203.50 × 45,873.08 - Step 4: Simplify right side
79,853.96x = 5,055,373,971.78 - Step 5: Solve for x
x = 5,055,373,971.78/79,853.96 - Step 6: Final answer
x = 63,307.74
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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.