Finding the Fourth Proportional to 76,993.13, 106,247.52 and 48,328.19
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Solution
The fourth proportional to 76,993.13, 106,247.52 and 48,328.19 is: 66,691.02
Step by Step Solution
- Step 1: Write the proportion equation
76,993.13 : 106,247.52 = 48,328.19 : x - Step 2: Convert to fraction form
76,993.13/106,247.52 = 48,328.19/x - Step 3: Cross multiply
76,993.13x = 106,247.52 × 48,328.19 - Step 4: Simplify right side
76,993.13x = 5,134,750,333.59 - Step 5: Solve for x
x = 5,134,750,333.59/76,993.13 - Step 6: Final answer
x = 66,691.02
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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.