Finding the Fourth Proportional to 76,675.10, 115,012.65 and 24,089.90
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Solution
The fourth proportional to 76,675.10, 115,012.65 and 24,089.90 is: 36,134.85
Step by Step Solution
- Step 1: Write the proportion equation
76,675.10 : 115,012.65 = 24,089.90 : x - Step 2: Convert to fraction form
76,675.10/115,012.65 = 24,089.90/x - Step 3: Cross multiply
76,675.10x = 115,012.65 × 24,089.90 - Step 4: Simplify right side
76,675.10x = 2,770,643,237.24 - Step 5: Solve for x
x = 2,770,643,237.24/76,675.10 - Step 6: Final answer
x = 36,134.85
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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.