Finding the Fourth Proportional to 98,547.63, 135,996.33 and 53,835.63
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Solution
The fourth proportional to 98,547.63, 135,996.33 and 53,835.63 is: 74,293.50
Step by Step Solution
- Step 1: Write the proportion equation
98,547.63 : 135,996.33 = 53,835.63 : x - Step 2: Convert to fraction form
98,547.63/135,996.33 = 53,835.63/x - Step 3: Cross multiply
98,547.63x = 135,996.33 × 53,835.63 - Step 4: Simplify right side
98,547.63x = 7,321,448,103.24 - Step 5: Solve for x
x = 7,321,448,103.24/98,547.63 - Step 6: Final answer
x = 74,293.50
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1.5x scale
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.