Finding the Fourth Proportional to 96,428.58, 144,656.55 and 29,873.94
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Solution
The fourth proportional to 96,428.58, 144,656.55 and 29,873.94 is: 44,815.15
Step by Step Solution
- Step 1: Write the proportion equation
96,428.58 : 144,656.55 = 29,873.94 : x - Step 2: Convert to fraction form
96,428.58/144,656.55 = 29,873.94/x - Step 3: Cross multiply
96,428.58x = 144,656.55 × 29,873.94 - Step 4: Simplify right side
96,428.58x = 4,321,461,095.31 - Step 5: Solve for x
x = 4,321,461,095.31/96,428.58 - Step 6: Final answer
x = 44,815.15
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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.