Finding the Fourth Proportional to 98,173.08, 135,480.06 and 53,461.08
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Solution
The fourth proportional to 98,173.08, 135,480.06 and 53,461.08 is: 73,776.95
Step by Step Solution
- Step 1: Write the proportion equation
98,173.08 : 135,480.06 = 53,461.08 : x - Step 2: Convert to fraction form
98,173.08/135,480.06 = 53,461.08/x - Step 3: Cross multiply
98,173.08x = 135,480.06 × 53,461.08 - Step 4: Simplify right side
98,173.08x = 7,242,910,326.06 - Step 5: Solve for x
x = 7,242,910,326.06/98,173.08 - Step 6: Final answer
x = 73,776.95
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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.