Finding the Fourth Proportional to 68,795.60, 103,195.68 and 24,421.76
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Solution
The fourth proportional to 68,795.60, 103,195.68 and 24,421.76 is: 36,633.45
Step by Step Solution
- Step 1: Write the proportion equation
68,795.60 : 103,195.68 = 24,421.76 : x - Step 2: Convert to fraction form
68,795.60/103,195.68 = 24,421.76/x - Step 3: Cross multiply
68,795.60x = 103,195.68 × 24,421.76 - Step 4: Simplify right side
68,795.60x = 2,520,220,130.00 - Step 5: Solve for x
x = 2,520,220,130.00/68,795.60 - Step 6: Final answer
x = 36,633.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.