Finding the Fourth Proportional to 97,986.08, 135,219.84 and 53,274.08
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Solution
The fourth proportional to 97,986.08, 135,219.84 and 53,274.08 is: 73,517.71
Step by Step Solution
- Step 1: Write the proportion equation
97,986.08 : 135,219.84 = 53,274.08 : x - Step 2: Convert to fraction form
97,986.08/135,219.84 = 53,274.08/x - Step 3: Cross multiply
97,986.08x = 135,219.84 × 53,274.08 - Step 4: Simplify right side
97,986.08x = 7,203,712,573.75 - Step 5: Solve for x
x = 7,203,712,573.75/97,986.08 - Step 6: Final answer
x = 73,517.71
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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.