Finding the Fourth Proportional to 113,750.79, 156,975.03 and 62,763.99
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Solution
The fourth proportional to 113,750.79, 156,975.03 and 62,763.99 is: 86,613.72
Step by Step Solution
- Step 1: Write the proportion equation
113,750.79 : 156,975.03 = 62,763.99 : x - Step 2: Convert to fraction form
113,750.79/156,975.03 = 62,763.99/x - Step 3: Cross multiply
113,750.79x = 156,975.03 × 62,763.99 - Step 4: Simplify right side
113,750.79x = 9,852,379,213.17 - Step 5: Solve for x
x = 9,852,379,213.17/113,750.79 - Step 6: Final answer
x = 86,613.72
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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.