Finding the Fourth Proportional to 98,314.08, 135,675.36 and 53,602.08
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Solution
The fourth proportional to 98,314.08, 135,675.36 and 53,602.08 is: 73,971.92
Step by Step Solution
- Step 1: Write the proportion equation
98,314.08 : 135,675.36 = 53,602.08 : x - Step 2: Convert to fraction form
98,314.08/135,675.36 = 53,602.08/x - Step 3: Cross multiply
98,314.08x = 135,675.36 × 53,602.08 - Step 4: Simplify right side
98,314.08x = 7,272,481,500.75 - Step 5: Solve for x
x = 7,272,481,500.75/98,314.08 - Step 6: Final answer
x = 73,971.92
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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.