Finding the Fourth Proportional to 79,669.68, 119,525.28 and 29,750.20
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Solution
The fourth proportional to 79,669.68, 119,525.28 and 29,750.20 is: 44,633.05
Step by Step Solution
- Step 1: Write the proportion equation
79,669.68 : 119,525.28 = 29,750.20 : x - Step 2: Convert to fraction form
79,669.68/119,525.28 = 29,750.20/x - Step 3: Cross multiply
79,669.68x = 119,525.28 × 29,750.20 - Step 4: Simplify right side
79,669.68x = 3,555,900,985.06 - Step 5: Solve for x
x = 3,555,900,985.06/79,669.68 - Step 6: Final answer
x = 44,633.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.