Finding the Fourth Proportional to 98,024.68, 135,310.26 and 62,237.80
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Solution
The fourth proportional to 98,024.68, 135,310.26 and 62,237.80 is: 85,911.15
Step by Step Solution
- Step 1: Write the proportion equation
98,024.68 : 135,310.26 = 62,237.80 : x - Step 2: Convert to fraction form
98,024.68/135,310.26 = 62,237.80/x - Step 3: Cross multiply
98,024.68x = 135,310.26 × 62,237.80 - Step 4: Simplify right side
98,024.68x = 8,421,412,899.83 - Step 5: Solve for x
x = 8,421,412,899.83/98,024.68 - Step 6: Final answer
x = 85,911.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.