Finding the Fourth Proportional to 76,909.06, 115,362.87 and 24,318.55
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Solution
The fourth proportional to 76,909.06, 115,362.87 and 24,318.55 is: 36,477.60
Step by Step Solution
- Step 1: Write the proportion equation
76,909.06 : 115,362.87 = 24,318.55 : x - Step 2: Convert to fraction form
76,909.06/115,362.87 = 24,318.55/x - Step 3: Cross multiply
76,909.06x = 115,362.87 × 24,318.55 - Step 4: Simplify right side
76,909.06x = 2,805,457,722.24 - Step 5: Solve for x
x = 2,805,457,722.24/76,909.06 - Step 6: Final answer
x = 36,477.60
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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.