Finding the Fourth Proportional to 79,129.06, 118,655.30 and 29,232.66
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Solution
The fourth proportional to 79,129.06, 118,655.30 and 29,232.66 is: 43,834.84
Step by Step Solution
- Step 1: Write the proportion equation
79,129.06 : 118,655.30 = 29,232.66 : x - Step 2: Convert to fraction form
79,129.06/118,655.30 = 29,232.66/x - Step 3: Cross multiply
79,129.06x = 118,655.30 × 29,232.66 - Step 4: Simplify right side
79,129.06x = 3,468,610,042.10 - Step 5: Solve for x
x = 3,468,610,042.10/79,129.06 - Step 6: Final answer
x = 43,834.84
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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.