Finding the Fourth Proportional to 76,176.24, 105,118.12 and 44,340.08
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Solution
The fourth proportional to 76,176.24, 105,118.12 and 44,340.08 is: 61,186.35
Step by Step Solution
- Step 1: Write the proportion equation
76,176.24 : 105,118.12 = 44,340.08 : x - Step 2: Convert to fraction form
76,176.24/105,118.12 = 44,340.08/x - Step 3: Cross multiply
76,176.24x = 105,118.12 × 44,340.08 - Step 4: Simplify right side
76,176.24x = 4,660,945,850.25 - Step 5: Solve for x
x = 4,660,945,850.25/76,176.24 - Step 6: Final answer
x = 61,186.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.