Finding the Fourth Proportional to 88,575.30, 122,207.67 and 56,688.84
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Solution
The fourth proportional to 88,575.30, 122,207.67 and 56,688.84 is: 78,213.80
Step by Step Solution
- Step 1: Write the proportion equation
88,575.30 : 122,207.67 = 56,688.84 : x - Step 2: Convert to fraction form
88,575.30/122,207.67 = 56,688.84/x - Step 3: Cross multiply
88,575.30x = 122,207.67 × 56,688.84 - Step 4: Simplify right side
88,575.30x = 6,927,811,051.40 - Step 5: Solve for x
x = 6,927,811,051.40/88,575.30 - Step 6: Final answer
x = 78,213.80
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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.