Finding the Fourth Proportional to 76,363.96, 114,518.49 and 26,430.52
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Solution
The fourth proportional to 76,363.96, 114,518.49 and 26,430.52 is: 39,636.28
Step by Step Solution
- Step 1: Write the proportion equation
76,363.96 : 114,518.49 = 26,430.52 : x - Step 2: Convert to fraction form
76,363.96/114,518.49 = 26,430.52/x - Step 3: Cross multiply
76,363.96x = 114,518.49 × 26,430.52 - Step 4: Simplify right side
76,363.96x = 3,026,783,240.31 - Step 5: Solve for x
x = 3,026,783,240.31/76,363.96 - Step 6: Final answer
x = 39,636.28
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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.