Finding the Fourth Proportional to 87,565.74, 120,841.65 and 49,840.26
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Solution
The fourth proportional to 87,565.74, 120,841.65 and 49,840.26 is: 68,780.09
Step by Step Solution
- Step 1: Write the proportion equation
87,565.74 : 120,841.65 = 49,840.26 : x - Step 2: Convert to fraction form
87,565.74/120,841.65 = 49,840.26/x - Step 3: Cross multiply
87,565.74x = 120,841.65 × 49,840.26 - Step 4: Simplify right side
87,565.74x = 6,022,779,254.83 - Step 5: Solve for x
x = 6,022,779,254.83/87,565.74 - Step 6: Final answer
x = 68,780.09
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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.