Finding the Fourth Proportional to 88,234.68, 121,766.58 and 50,521.08
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Solution
The fourth proportional to 88,234.68, 121,766.58 and 50,521.08 is: 69,720.65
Step by Step Solution
- Step 1: Write the proportion equation
88,234.68 : 121,766.58 = 50,521.08 : x - Step 2: Convert to fraction form
88,234.68/121,766.58 = 50,521.08/x - Step 3: Cross multiply
88,234.68x = 121,766.58 × 50,521.08 - Step 4: Simplify right side
88,234.68x = 6,151,779,129.51 - Step 5: Solve for x
x = 6,151,779,129.51/88,234.68 - Step 6: Final answer
x = 69,720.65
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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.