Finding the Fourth Proportional to 88,988.26, 122,802.15 and 48,701.20
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Solution
The fourth proportional to 88,988.26, 122,802.15 and 48,701.20 is: 67,206.75
Step by Step Solution
- Step 1: Write the proportion equation
88,988.26 : 122,802.15 = 48,701.20 : x - Step 2: Convert to fraction form
88,988.26/122,802.15 = 48,701.20/x - Step 3: Cross multiply
88,988.26x = 122,802.15 × 48,701.20 - Step 4: Simplify right side
88,988.26x = 5,980,612,067.58 - Step 5: Solve for x
x = 5,980,612,067.58/88,988.26 - Step 6: Final answer
x = 67,206.75
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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.