Finding the Fourth Proportional to 97,860.49, 135,047.99 and 54,840.08
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Solution
The fourth proportional to 97,860.49, 135,047.99 and 54,840.08 is: 75,679.60
Step by Step Solution
- Step 1: Write the proportion equation
97,860.49 : 135,047.99 = 54,840.08 : x - Step 2: Convert to fraction form
97,860.49/135,047.99 = 54,840.08/x - Step 3: Cross multiply
97,860.49x = 135,047.99 × 54,840.08 - Step 4: Simplify right side
97,860.49x = 7,406,042,575.44 - Step 5: Solve for x
x = 7,406,042,575.44/97,860.49 - Step 6: Final answer
x = 75,679.60
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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.