Finding the Fourth Proportional to 88,423.97, 122,023.80 and 48,138.03
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Solution
The fourth proportional to 88,423.97, 122,023.80 and 48,138.03 is: 66,429.79
Step by Step Solution
- Step 1: Write the proportion equation
88,423.97 : 122,023.80 = 48,138.03 : x - Step 2: Convert to fraction form
88,423.97/122,023.80 = 48,138.03/x - Step 3: Cross multiply
88,423.97x = 122,023.80 × 48,138.03 - Step 4: Simplify right side
88,423.97x = 5,873,985,345.11 - Step 5: Solve for x
x = 5,873,985,345.11/88,423.97 - Step 6: Final answer
x = 66,429.79
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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.