Finding the Fourth Proportional to 83,487.96, 125,024.18 and 58,410.68
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Solution
The fourth proportional to 83,487.96, 125,024.18 and 58,410.68 is: 87,470.65
Step by Step Solution
- Step 1: Write the proportion equation
83,487.96 : 125,024.18 = 58,410.68 : x - Step 2: Convert to fraction form
83,487.96/125,024.18 = 58,410.68/x - Step 3: Cross multiply
83,487.96x = 125,024.18 × 58,410.68 - Step 4: Simplify right side
83,487.96x = 7,302,746,453.07 - Step 5: Solve for x
x = 7,302,746,453.07/83,487.96 - Step 6: Final answer
x = 87,470.65
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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.