Finding the Fourth Proportional to 79,499.08, 109,710.75 and 43,690
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Solution
The fourth proportional to 79,499.08, 109,710.75 and 43,690 is: 60,293.31
Step by Step Solution
- Step 1: Write the proportion equation
79,499.08 : 109,710.75 = 43,690 : x - Step 2: Convert to fraction form
79,499.08/109,710.75 = 43,690/x - Step 3: Cross multiply
79,499.08x = 109,710.75 × 43,690 - Step 4: Simplify right side
79,499.08x = 4,793,262,667.50 - Step 5: Solve for x
x = 4,793,262,667.50/79,499.08 - Step 6: Final answer
x = 60,293.31
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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.