Finding the Fourth Proportional to 79,126.93, 118,652.12 and 29,230.53
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Solution
The fourth proportional to 79,126.93, 118,652.12 and 29,230.53 is: 43,831.66
Step by Step Solution
- Step 1: Write the proportion equation
79,126.93 : 118,652.12 = 29,230.53 : x - Step 2: Convert to fraction form
79,126.93/118,652.12 = 29,230.53/x - Step 3: Cross multiply
79,126.93x = 118,652.12 × 29,230.53 - Step 4: Simplify right side
79,126.93x = 3,468,264,353.22 - Step 5: Solve for x
x = 3,468,264,353.22/79,126.93 - Step 6: Final answer
x = 43,831.66
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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.