Finding the Fourth Proportional to 87,136.55, 130,709.68 and 24,802.19
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Solution
The fourth proportional to 87,136.55, 130,709.68 and 24,802.19 is: 37,204.67
Step by Step Solution
- Step 1: Write the proportion equation
87,136.55 : 130,709.68 = 24,802.19 : x - Step 2: Convert to fraction form
87,136.55/130,709.68 = 24,802.19/x - Step 3: Cross multiply
87,136.55x = 130,709.68 × 24,802.19 - Step 4: Simplify right side
87,136.55x = 3,241,886,318.20 - Step 5: Solve for x
x = 3,241,886,318.20/87,136.55 - Step 6: Final answer
x = 37,204.67
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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.