Finding the Fourth Proportional to 94,861.86, 130,927.50 and 62,539.74
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Solution
The fourth proportional to 94,861.86, 130,927.50 and 62,539.74 is: 86,316.80
Step by Step Solution
- Step 1: Write the proportion equation
94,861.86 : 130,927.50 = 62,539.74 : x - Step 2: Convert to fraction form
94,861.86/130,927.50 = 62,539.74/x - Step 3: Cross multiply
94,861.86x = 130,927.50 × 62,539.74 - Step 4: Simplify right side
94,861.86x = 8,188,171,808.85 - Step 5: Solve for x
x = 8,188,171,808.85/94,861.86 - Step 6: Final answer
x = 86,316.80
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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.