Finding the Fourth Proportional to 75,981.24, 113,936.10 and 44,400.44
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Solution
The fourth proportional to 75,981.24, 113,936.10 and 44,400.44 is: 66,579.76
Step by Step Solution
- Step 1: Write the proportion equation
75,981.24 : 113,936.10 = 44,400.44 : x - Step 2: Convert to fraction form
75,981.24/113,936.10 = 44,400.44/x - Step 3: Cross multiply
75,981.24x = 113,936.10 × 44,400.44 - Step 4: Simplify right side
75,981.24x = 5,058,812,971.88 - Step 5: Solve for x
x = 5,058,812,971.88/75,981.24 - Step 6: Final answer
x = 66,579.76
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1.5x scale
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.