Finding the Fourth Proportional to 99,963.04, 149,968.29 and 29,840.53
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Solution
The fourth proportional to 99,963.04, 149,968.29 and 29,840.53 is: 44,767.88
Step by Step Solution
- Step 1: Write the proportion equation
99,963.04 : 149,968.29 = 29,840.53 : x - Step 2: Convert to fraction form
99,963.04/149,968.29 = 29,840.53/x - Step 3: Cross multiply
99,963.04x = 149,968.29 × 29,840.53 - Step 4: Simplify right side
99,963.04x = 4,475,133,256.79 - Step 5: Solve for x
x = 4,475,133,256.79/99,963.04 - Step 6: Final answer
x = 44,767.88
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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.