Finding the Fourth Proportional to 76,903.30, 115,354.26 and 24,312.80
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Solution
The fourth proportional to 76,903.30, 115,354.26 and 24,312.80 is: 36,468.98
Step by Step Solution
- Step 1: Write the proportion equation
76,903.30 : 115,354.26 = 24,312.80 : x - Step 2: Convert to fraction form
76,903.30/115,354.26 = 24,312.80/x - Step 3: Cross multiply
76,903.30x = 115,354.26 × 24,312.80 - Step 4: Simplify right side
76,903.30x = 2,804,585,052.53 - Step 5: Solve for x
x = 2,804,585,052.53/76,903.30 - Step 6: Final answer
x = 36,468.98
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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.