Finding the Fourth Proportional to 98,836.04, 136,394.84 and 53,515.02
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Solution
The fourth proportional to 98,836.04, 136,394.84 and 53,515.02 is: 73,851.33
Step by Step Solution
- Step 1: Write the proportion equation
98,836.04 : 136,394.84 = 53,515.02 : x - Step 2: Convert to fraction form
98,836.04/136,394.84 = 53,515.02/x - Step 3: Cross multiply
98,836.04x = 136,394.84 × 53,515.02 - Step 4: Simplify right side
98,836.04x = 7,299,172,590.50 - Step 5: Solve for x
x = 7,299,172,590.50/98,836.04 - Step 6: Final answer
x = 73,851.33
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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.