Finding the Fourth Proportional to 124,361.86, 171,614.36 and 67,772.02
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Solution
The fourth proportional to 124,361.86, 171,614.36 and 67,772.02 is: 93,522.66
Step by Step Solution
- Step 1: Write the proportion equation
124,361.86 : 171,614.36 = 67,772.02 : x - Step 2: Convert to fraction form
124,361.86/171,614.36 = 67,772.02/x - Step 3: Cross multiply
124,361.86x = 171,614.36 × 67,772.02 - Step 4: Simplify right side
124,361.86x = 11,630,651,838.21 - Step 5: Solve for x
x = 11,630,651,838.21/124,361.86 - Step 6: Final answer
x = 93,522.66
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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.