Finding the Fourth Proportional to 88,909.30, 122,698.14 and 48,620.68
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Solution
The fourth proportional to 88,909.30, 122,698.14 and 48,620.68 is: 67,098.35
Step by Step Solution
- Step 1: Write the proportion equation
88,909.30 : 122,698.14 = 48,620.68 : x - Step 2: Convert to fraction form
88,909.30/122,698.14 = 48,620.68/x - Step 3: Cross multiply
88,909.30x = 122,698.14 × 48,620.68 - Step 4: Simplify right side
88,909.30x = 5,965,667,001.54 - Step 5: Solve for x
x = 5,965,667,001.54/88,909.30 - Step 6: Final answer
x = 67,098.35
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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.