Finding the Fourth Proportional to 79,248.72, 109,362.60 and 45,714
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Solution
The fourth proportional to 79,248.72, 109,362.60 and 45,714 is: 63,084.95
Step by Step Solution
- Step 1: Write the proportion equation
79,248.72 : 109,362.60 = 45,714 : x - Step 2: Convert to fraction form
79,248.72/109,362.60 = 45,714/x - Step 3: Cross multiply
79,248.72x = 109,362.60 × 45,714 - Step 4: Simplify right side
79,248.72x = 4,999,401,896.40 - Step 5: Solve for x
x = 4,999,401,896.40/79,248.72 - Step 6: Final answer
x = 63,084.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.