Finding the Fourth Proportional to 86,320.10, 129,285.75 and 44,213.06
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Solution
The fourth proportional to 86,320.10, 129,285.75 and 44,213.06 is: 66,220.02
Step by Step Solution
- Step 1: Write the proportion equation
86,320.10 : 129,285.75 = 44,213.06 : x - Step 2: Convert to fraction form
86,320.10/129,285.75 = 44,213.06/x - Step 3: Cross multiply
86,320.10x = 129,285.75 × 44,213.06 - Step 4: Simplify right side
86,320.10x = 5,716,118,621.90 - Step 5: Solve for x
x = 5,716,118,621.90/86,320.10 - Step 6: Final answer
x = 66,220.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.