Finding the Fourth Proportional to 87,024.14, 130,515.60 and 49,089.68
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Solution
The fourth proportional to 87,024.14, 130,515.60 and 49,089.68 is: 73,622.89
Step by Step Solution
- Step 1: Write the proportion equation
87,024.14 : 130,515.60 = 49,089.68 : x - Step 2: Convert to fraction form
87,024.14/130,515.60 = 49,089.68/x - Step 3: Cross multiply
87,024.14x = 130,515.60 × 49,089.68 - Step 4: Simplify right side
87,024.14x = 6,406,969,039.01 - Step 5: Solve for x
x = 6,406,969,039.01/87,024.14 - Step 6: Final answer
x = 73,622.89
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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.